diff --git a/Sources/Fuzzilli/Base/ProgramBuilder.swift b/Sources/Fuzzilli/Base/ProgramBuilder.swift
index 3eb4cb96..9b8b380e 100644
--- a/Sources/Fuzzilli/Base/ProgramBuilder.swift
+++ b/Sources/Fuzzilli/Base/ProgramBuilder.swift
@@ -2039,6 +2039,11 @@ public class ProgramBuilder {
         return emit(TypeOf(), withInputs: [v]).output
     }
 
+    @discardableResult
+    public func void(_ v: Variable) -> Variable {
+        return emit(Void_(), withInputs: [v]).output
+    }
+
     @discardableResult
     public func testInstanceOf(_ v: Variable, _ type: Variable) -> Variable {
         return emit(TestInstanceOf(), withInputs: [v, type]).output
diff --git a/Sources/Fuzzilli/CodeGen/CodeGeneratorWeights.swift b/Sources/Fuzzilli/CodeGen/CodeGeneratorWeights.swift
index bda9a0d7..4c8d809c 100644
--- a/Sources/Fuzzilli/CodeGen/CodeGeneratorWeights.swift
+++ b/Sources/Fuzzilli/CodeGen/CodeGeneratorWeights.swift
@@ -193,4 +193,5 @@ public let codeGeneratorWeights = [
     "ApiConstructorCallGenerator":              15,
     "ApiMethodCallGenerator":                   15,
     "ApiFunctionCallGenerator":                 15,
+    "VoidGenerator":                            1,
 ]
diff --git a/Sources/Fuzzilli/CodeGen/CodeGenerators.swift b/Sources/Fuzzilli/CodeGen/CodeGenerators.swift
index 616106d9..1d016749 100644
--- a/Sources/Fuzzilli/CodeGen/CodeGenerators.swift
+++ b/Sources/Fuzzilli/CodeGen/CodeGenerators.swift
@@ -974,6 +974,10 @@ public let CodeGenerators: [CodeGenerator] = [
         b.compare(type, with: rhs, using: .strictEqual)
     },
 
+    CodeGenerator("VoidGenerator", inputs: .one) { b, val in
+        b.void(val)
+    },
+
     CodeGenerator("InstanceOfGenerator", inputs: .preferred(.anything, .constructor())) { b, val, cls in
         b.testInstanceOf(val, cls)
     },
diff --git a/Sources/Fuzzilli/Compiler/Compiler.swift b/Sources/Fuzzilli/Compiler/Compiler.swift
index fef246a9..b67142a1 100644
--- a/Sources/Fuzzilli/Compiler/Compiler.swift
+++ b/Sources/Fuzzilli/Compiler/Compiler.swift
@@ -1059,6 +1059,9 @@ public class JavaScriptCompiler {
             if unaryExpression.operator == "typeof" {
                 let argument = try compileExpression(unaryExpression.argument)
                 return emit(TypeOf(), withInputs: [argument]).output
+            } else if unaryExpression.operator == "void" {
+                let argument = try compileExpression(unaryExpression.argument)
+                return emit(Void_(), withInputs: [argument]).output
             } else if unaryExpression.operator == "delete" {
                 guard case .memberExpression(let memberExpression) = unaryExpression.argument.expression else {
                     throw CompilerError.invalidNodeError("delete operator must be applied to a member expression")
diff --git a/Sources/Fuzzilli/FuzzIL/Instruction.swift b/Sources/Fuzzilli/FuzzIL/Instruction.swift
index d770196b..4ba5c279 100644
--- a/Sources/Fuzzilli/FuzzIL/Instruction.swift
+++ b/Sources/Fuzzilli/FuzzIL/Instruction.swift
@@ -565,6 +565,8 @@ extension Instruction: ProtobufConvertible {
                 }
             case .typeOf:
                 $0.typeOf = Fuzzilli_Protobuf_TypeOf()
+            case .void:
+                $0.void = Fuzzilli_Protobuf_Void()
             case .testInstanceOf:
                 $0.testInstanceOf = Fuzzilli_Protobuf_TestInstanceOf()
             case .testIn:
@@ -1042,6 +1044,8 @@ extension Instruction: ProtobufConvertible {
             op = ConfigureComputedProperty(flags: flags, type: try convertEnum(p.type, PropertyType.allCases))
         case .typeOf:
             op = TypeOf()
+        case .void:
+            op = Void_()
         case .testInstanceOf:
             op = TestInstanceOf()
         case .testIn:
diff --git a/Sources/Fuzzilli/FuzzIL/JSTyper.swift b/Sources/Fuzzilli/FuzzIL/JSTyper.swift
index cc2c07af..a21d9b4f 100644
--- a/Sources/Fuzzilli/FuzzIL/JSTyper.swift
+++ b/Sources/Fuzzilli/FuzzIL/JSTyper.swift
@@ -676,6 +676,9 @@ public struct JSTyper: Analyzer {
         case .typeOf:
             set(instr.output, .string)
 
+        case .void:
+            set(instr.output, .undefined)
+
         case .testInstanceOf:
             set(instr.output, .boolean)
 
diff --git a/Sources/Fuzzilli/FuzzIL/JsOperations.swift b/Sources/Fuzzilli/FuzzIL/JsOperations.swift
index a7b52cab..5905a9e1 100644
--- a/Sources/Fuzzilli/FuzzIL/JsOperations.swift
+++ b/Sources/Fuzzilli/FuzzIL/JsOperations.swift
@@ -1030,6 +1030,14 @@ final class TypeOf: JsOperation {
     }
 }
 
+final class Void_: JsOperation {
+    override var opcode: Opcode { .void(self) }
+
+    init() {
+        super.init(numInputs: 1, numOutputs: 1)
+    }
+}
+
 final class TestInstanceOf: JsOperation {
     override var opcode: Opcode { .testInstanceOf(self) }
 
diff --git a/Sources/Fuzzilli/FuzzIL/Opcodes.swift b/Sources/Fuzzilli/FuzzIL/Opcodes.swift
index e0b9f37f..8f376ea0 100644
--- a/Sources/Fuzzilli/FuzzIL/Opcodes.swift
+++ b/Sources/Fuzzilli/FuzzIL/Opcodes.swift
@@ -106,6 +106,7 @@ enum Opcode {
     case deleteComputedProperty(DeleteComputedProperty)
     case configureComputedProperty(ConfigureComputedProperty)
     case typeOf(TypeOf)
+    case void(Void_)
     case testInstanceOf(TestInstanceOf)
     case testIn(TestIn)
     case beginPlainFunction(BeginPlainFunction)
diff --git a/Sources/Fuzzilli/Lifting/FuzzILLifter.swift b/Sources/Fuzzilli/Lifting/FuzzILLifter.swift
index aa489854..8bfe3507 100644
--- a/Sources/Fuzzilli/Lifting/FuzzILLifter.swift
+++ b/Sources/Fuzzilli/Lifting/FuzzILLifter.swift
@@ -366,6 +366,9 @@ public class FuzzILLifter: Lifter {
         case .typeOf:
             w.emit("\(output()) <- TypeOf \(input(0))")
 
+        case .void:
+            w.emit("\(output()) <- Void_ \(input(0))")
+
         case .testInstanceOf:
             w.emit("\(output()) <- TestInstanceOf \(input(0)), \(input(1))")
 
diff --git a/Sources/Fuzzilli/Lifting/JavaScriptLifter.swift b/Sources/Fuzzilli/Lifting/JavaScriptLifter.swift
index 240f3ea9..b7de0815 100644
--- a/Sources/Fuzzilli/Lifting/JavaScriptLifter.swift
+++ b/Sources/Fuzzilli/Lifting/JavaScriptLifter.swift
@@ -642,6 +642,10 @@ public class JavaScriptLifter: Lifter {
                 let expr = UnaryExpression.new() + "typeof " + input(0)
                 w.assign(expr, to: instr.output)
 
+            case .void:
+                let expr = UnaryExpression.new() + "void " + input(0)
+                w.assign(expr, to: instr.output)
+
             case .testInstanceOf:
                 let lhs = input(0)
                 let rhs = input(1)
diff --git a/Sources/Fuzzilli/Protobuf/operations.pb.swift b/Sources/Fuzzilli/Protobuf/operations.pb.swift
index 5bb356cd..8a0cc83b 100644
--- a/Sources/Fuzzilli/Protobuf/operations.pb.swift
+++ b/Sources/Fuzzilli/Protobuf/operations.pb.swift
@@ -1,5 +1,6 @@
 // DO NOT EDIT.
 // swift-format-ignore-file
+// swiftlint:disable all
 //
 // Generated by the Swift generator plugin for the protocol buffer compiler.
 // Source: operations.proto
@@ -21,7 +22,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import Foundation
 import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file
@@ -1278,6 +1278,16 @@ public struct Fuzzilli_Protobuf_TypeOf: Sendable {
   public init() {}
 }
 
+public struct Fuzzilli_Protobuf_Void: Sendable {
+  // SwiftProtobuf.Message conformance is added in an extension below. See the
+  // `Message` and `Message+*Additions` files in the SwiftProtobuf library for
+  // methods supported on all messages.
+
+  public var unknownFields = SwiftProtobuf.UnknownStorage()
+
+  public init() {}
+}
+
 public struct Fuzzilli_Protobuf_TestInstanceOf: Sendable {
   // SwiftProtobuf.Message conformance is added in an extension below. See the
   // `Message` and `Message+*Additions` files in the SwiftProtobuf library for
@@ -4885,6 +4895,25 @@ extension Fuzzilli_Protobuf_TypeOf: SwiftProtobuf.Message, SwiftProtobuf._Messag
   }
 }
 
+extension Fuzzilli_Protobuf_Void: SwiftProtobuf.Message, SwiftProtobuf._MessageImplementationBase, SwiftProtobuf._ProtoNameProviding {
+  public static let protoMessageName: String = _protobuf_package + ".Void"
+  public static let _protobuf_nameMap = SwiftProtobuf._NameMap()
+
+  public mutating func decodeMessage<D: SwiftProtobuf.Decoder>(decoder: inout D) throws {
+    // Load everything into unknown fields
+    while try decoder.nextFieldNumber() != nil {}
+  }
+
+  public func traverse<V: SwiftProtobuf.Visitor>(visitor: inout V) throws {
+    try unknownFields.traverse(visitor: &visitor)
+  }
+
+  public static func ==(lhs: Fuzzilli_Protobuf_Void, rhs: Fuzzilli_Protobuf_Void) -> Bool {
+    if lhs.unknownFields != rhs.unknownFields {return false}
+    return true
+  }
+}
+
 extension Fuzzilli_Protobuf_TestInstanceOf: SwiftProtobuf.Message, SwiftProtobuf._MessageImplementationBase, SwiftProtobuf._ProtoNameProviding {
   public static let protoMessageName: String = _protobuf_package + ".TestInstanceOf"
   public static let _protobuf_nameMap = SwiftProtobuf._NameMap()
diff --git a/Sources/Fuzzilli/Protobuf/operations.proto b/Sources/Fuzzilli/Protobuf/operations.proto
index 524e45a8..292ae8ce 100644
--- a/Sources/Fuzzilli/Protobuf/operations.proto
+++ b/Sources/Fuzzilli/Protobuf/operations.proto
@@ -337,6 +337,9 @@ message ConfigureComputedProperty {
 message TypeOf {
 }
 
+message Void {
+}
+
 message TestInstanceOf {
 }
 
diff --git a/Sources/Fuzzilli/Protobuf/program.pb.swift b/Sources/Fuzzilli/Protobuf/program.pb.swift
index b0423047..e03b56af 100644
--- a/Sources/Fuzzilli/Protobuf/program.pb.swift
+++ b/Sources/Fuzzilli/Protobuf/program.pb.swift
@@ -1,5 +1,6 @@
 // DO NOT EDIT.
 // swift-format-ignore-file
+// swiftlint:disable all
 //
 // Generated by the Swift generator plugin for the protocol buffer compiler.
 // Source: program.proto
@@ -680,6 +681,14 @@ public struct Fuzzilli_Protobuf_Instruction: Sendable {
     set {operation = .typeOf(newValue)}
   }
 
+  public var void: Fuzzilli_Protobuf_Void {
+    get {
+      if case .void(let v)? = operation {return v}
+      return Fuzzilli_Protobuf_Void()
+    }
+    set {operation = .void(newValue)}
+  }
+
   public var testInstanceOf: Fuzzilli_Protobuf_TestInstanceOf {
     get {
       if case .testInstanceOf(let v)? = operation {return v}
@@ -1554,6 +1563,7 @@ public struct Fuzzilli_Protobuf_Instruction: Sendable {
     case deleteComputedProperty(Fuzzilli_Protobuf_DeleteComputedProperty)
     case configureComputedProperty(Fuzzilli_Protobuf_ConfigureComputedProperty)
     case typeOf(Fuzzilli_Protobuf_TypeOf)
+    case void(Fuzzilli_Protobuf_Void)
     case testInstanceOf(Fuzzilli_Protobuf_TestInstanceOf)
     case testIn(Fuzzilli_Protobuf_TestIn)
     case beginPlainFunction(Fuzzilli_Protobuf_BeginPlainFunction)
@@ -1782,105 +1792,106 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
     78: .same(proto: "deleteComputedProperty"),
     79: .same(proto: "configureComputedProperty"),
     80: .same(proto: "typeOf"),
-    81: .same(proto: "testInstanceOf"),
-    82: .same(proto: "testIn"),
-    83: .same(proto: "beginPlainFunction"),
-    84: .same(proto: "endPlainFunction"),
-    85: .same(proto: "beginArrowFunction"),
-    86: .same(proto: "endArrowFunction"),
-    87: .same(proto: "beginGeneratorFunction"),
-    88: .same(proto: "endGeneratorFunction"),
-    89: .same(proto: "beginAsyncFunction"),
-    90: .same(proto: "endAsyncFunction"),
-    91: .same(proto: "beginAsyncArrowFunction"),
-    92: .same(proto: "endAsyncArrowFunction"),
-    93: .same(proto: "beginAsyncGeneratorFunction"),
-    94: .same(proto: "endAsyncGeneratorFunction"),
-    95: .same(proto: "beginConstructor"),
-    96: .same(proto: "endConstructor"),
-    97: .same(proto: "return"),
-    98: .same(proto: "yield"),
-    99: .same(proto: "yieldEach"),
-    100: .same(proto: "await"),
-    101: .same(proto: "callFunction"),
-    102: .same(proto: "callFunctionWithSpread"),
-    103: .same(proto: "construct"),
-    104: .same(proto: "constructWithSpread"),
-    105: .same(proto: "callMethod"),
-    106: .same(proto: "callMethodWithSpread"),
-    107: .same(proto: "callComputedMethod"),
-    108: .same(proto: "callComputedMethodWithSpread"),
-    109: .same(proto: "unaryOperation"),
-    110: .same(proto: "binaryOperation"),
-    111: .same(proto: "ternaryOperation"),
-    112: .same(proto: "update"),
-    113: .same(proto: "dup"),
-    114: .same(proto: "reassign"),
-    115: .same(proto: "destructArray"),
-    116: .same(proto: "destructArrayAndReassign"),
-    117: .same(proto: "destructObject"),
-    118: .same(proto: "destructObjectAndReassign"),
-    119: .same(proto: "compare"),
-    120: .same(proto: "loadNamedVariable"),
-    121: .same(proto: "storeNamedVariable"),
-    122: .same(proto: "defineNamedVariable"),
-    123: .same(proto: "eval"),
-    124: .same(proto: "beginWith"),
-    125: .same(proto: "endWith"),
-    126: .same(proto: "callSuperConstructor"),
-    127: .same(proto: "callSuperMethod"),
-    128: .same(proto: "getPrivateProperty"),
-    129: .same(proto: "setPrivateProperty"),
-    130: .same(proto: "updatePrivateProperty"),
-    131: .same(proto: "callPrivateMethod"),
-    132: .same(proto: "getSuperProperty"),
-    133: .same(proto: "setSuperProperty"),
-    134: .same(proto: "getComputedSuperProperty"),
-    135: .same(proto: "setComputedSuperProperty"),
-    136: .same(proto: "updateSuperProperty"),
-    137: .same(proto: "beginIf"),
-    138: .same(proto: "beginElse"),
-    139: .same(proto: "endIf"),
-    140: .same(proto: "beginWhileLoopHeader"),
-    141: .same(proto: "beginWhileLoopBody"),
-    142: .same(proto: "endWhileLoop"),
-    143: .same(proto: "beginDoWhileLoopBody"),
-    144: .same(proto: "beginDoWhileLoopHeader"),
-    145: .same(proto: "endDoWhileLoop"),
-    146: .same(proto: "beginForLoopInitializer"),
-    147: .same(proto: "beginForLoopCondition"),
-    148: .same(proto: "beginForLoopAfterthought"),
-    149: .same(proto: "beginForLoopBody"),
-    150: .same(proto: "endForLoop"),
-    151: .same(proto: "beginForInLoop"),
-    152: .same(proto: "endForInLoop"),
-    153: .same(proto: "beginForOfLoop"),
-    154: .same(proto: "beginForOfLoopWithDestruct"),
-    155: .same(proto: "endForOfLoop"),
-    156: .same(proto: "beginRepeatLoop"),
-    157: .same(proto: "endRepeatLoop"),
-    158: .same(proto: "loopBreak"),
-    159: .same(proto: "loopContinue"),
-    160: .same(proto: "beginTry"),
-    161: .same(proto: "beginCatch"),
-    162: .same(proto: "beginFinally"),
-    163: .same(proto: "endTryCatchFinally"),
-    164: .same(proto: "throwException"),
-    165: .same(proto: "beginCodeString"),
-    166: .same(proto: "endCodeString"),
-    167: .same(proto: "beginBlockStatement"),
-    168: .same(proto: "endBlockStatement"),
-    169: .same(proto: "beginSwitch"),
-    170: .same(proto: "beginSwitchCase"),
-    171: .same(proto: "beginSwitchDefaultCase"),
-    172: .same(proto: "endSwitchCase"),
-    173: .same(proto: "endSwitch"),
-    174: .same(proto: "switchBreak"),
-    175: .same(proto: "loadNewTarget"),
-    176: .same(proto: "print"),
-    177: .same(proto: "explore"),
-    178: .same(proto: "probe"),
-    179: .same(proto: "fixup"),
+    81: .same(proto: "void"),
+    82: .same(proto: "testInstanceOf"),
+    83: .same(proto: "testIn"),
+    84: .same(proto: "beginPlainFunction"),
+    85: .same(proto: "endPlainFunction"),
+    86: .same(proto: "beginArrowFunction"),
+    87: .same(proto: "endArrowFunction"),
+    88: .same(proto: "beginGeneratorFunction"),
+    89: .same(proto: "endGeneratorFunction"),
+    90: .same(proto: "beginAsyncFunction"),
+    91: .same(proto: "endAsyncFunction"),
+    92: .same(proto: "beginAsyncArrowFunction"),
+    93: .same(proto: "endAsyncArrowFunction"),
+    94: .same(proto: "beginAsyncGeneratorFunction"),
+    95: .same(proto: "endAsyncGeneratorFunction"),
+    96: .same(proto: "beginConstructor"),
+    97: .same(proto: "endConstructor"),
+    98: .same(proto: "return"),
+    99: .same(proto: "yield"),
+    100: .same(proto: "yieldEach"),
+    101: .same(proto: "await"),
+    102: .same(proto: "callFunction"),
+    103: .same(proto: "callFunctionWithSpread"),
+    104: .same(proto: "construct"),
+    105: .same(proto: "constructWithSpread"),
+    106: .same(proto: "callMethod"),
+    107: .same(proto: "callMethodWithSpread"),
+    108: .same(proto: "callComputedMethod"),
+    109: .same(proto: "callComputedMethodWithSpread"),
+    110: .same(proto: "unaryOperation"),
+    111: .same(proto: "binaryOperation"),
+    112: .same(proto: "ternaryOperation"),
+    113: .same(proto: "update"),
+    114: .same(proto: "dup"),
+    115: .same(proto: "reassign"),
+    116: .same(proto: "destructArray"),
+    117: .same(proto: "destructArrayAndReassign"),
+    118: .same(proto: "destructObject"),
+    119: .same(proto: "destructObjectAndReassign"),
+    120: .same(proto: "compare"),
+    121: .same(proto: "loadNamedVariable"),
+    122: .same(proto: "storeNamedVariable"),
+    123: .same(proto: "defineNamedVariable"),
+    124: .same(proto: "eval"),
+    125: .same(proto: "beginWith"),
+    126: .same(proto: "endWith"),
+    127: .same(proto: "callSuperConstructor"),
+    128: .same(proto: "callSuperMethod"),
+    129: .same(proto: "getPrivateProperty"),
+    130: .same(proto: "setPrivateProperty"),
+    131: .same(proto: "updatePrivateProperty"),
+    132: .same(proto: "callPrivateMethod"),
+    133: .same(proto: "getSuperProperty"),
+    134: .same(proto: "setSuperProperty"),
+    135: .same(proto: "getComputedSuperProperty"),
+    136: .same(proto: "setComputedSuperProperty"),
+    137: .same(proto: "updateSuperProperty"),
+    138: .same(proto: "beginIf"),
+    139: .same(proto: "beginElse"),
+    140: .same(proto: "endIf"),
+    141: .same(proto: "beginWhileLoopHeader"),
+    142: .same(proto: "beginWhileLoopBody"),
+    143: .same(proto: "endWhileLoop"),
+    144: .same(proto: "beginDoWhileLoopBody"),
+    145: .same(proto: "beginDoWhileLoopHeader"),
+    146: .same(proto: "endDoWhileLoop"),
+    147: .same(proto: "beginForLoopInitializer"),
+    148: .same(proto: "beginForLoopCondition"),
+    149: .same(proto: "beginForLoopAfterthought"),
+    150: .same(proto: "beginForLoopBody"),
+    151: .same(proto: "endForLoop"),
+    152: .same(proto: "beginForInLoop"),
+    153: .same(proto: "endForInLoop"),
+    154: .same(proto: "beginForOfLoop"),
+    155: .same(proto: "beginForOfLoopWithDestruct"),
+    156: .same(proto: "endForOfLoop"),
+    157: .same(proto: "beginRepeatLoop"),
+    158: .same(proto: "endRepeatLoop"),
+    159: .same(proto: "loopBreak"),
+    160: .same(proto: "loopContinue"),
+    161: .same(proto: "beginTry"),
+    162: .same(proto: "beginCatch"),
+    163: .same(proto: "beginFinally"),
+    164: .same(proto: "endTryCatchFinally"),
+    165: .same(proto: "throwException"),
+    166: .same(proto: "beginCodeString"),
+    167: .same(proto: "endCodeString"),
+    168: .same(proto: "beginBlockStatement"),
+    169: .same(proto: "endBlockStatement"),
+    170: .same(proto: "beginSwitch"),
+    171: .same(proto: "beginSwitchCase"),
+    172: .same(proto: "beginSwitchDefaultCase"),
+    173: .same(proto: "endSwitchCase"),
+    174: .same(proto: "endSwitch"),
+    175: .same(proto: "switchBreak"),
+    176: .same(proto: "loadNewTarget"),
+    177: .same(proto: "print"),
+    178: .same(proto: "explore"),
+    179: .same(proto: "probe"),
+    180: .same(proto: "fixup"),
   ]
 
   public mutating func decodeMessage<D: SwiftProtobuf.Decoder>(decoder: inout D) throws {
@@ -2913,6 +2924,19 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
         }
       }()
       case 81: try {
+        var v: Fuzzilli_Protobuf_Void?
+        var hadOneofValue = false
+        if let current = self.operation {
+          hadOneofValue = true
+          if case .void(let m) = current {v = m}
+        }
+        try decoder.decodeSingularMessageField(value: &v)
+        if let v = v {
+          if hadOneofValue {try decoder.handleConflictingOneOf()}
+          self.operation = .void(v)
+        }
+      }()
+      case 82: try {
         var v: Fuzzilli_Protobuf_TestInstanceOf?
         var hadOneofValue = false
         if let current = self.operation {
@@ -2925,7 +2949,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .testInstanceOf(v)
         }
       }()
-      case 82: try {
+      case 83: try {
         var v: Fuzzilli_Protobuf_TestIn?
         var hadOneofValue = false
         if let current = self.operation {
@@ -2938,7 +2962,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .testIn(v)
         }
       }()
-      case 83: try {
+      case 84: try {
         var v: Fuzzilli_Protobuf_BeginPlainFunction?
         var hadOneofValue = false
         if let current = self.operation {
@@ -2951,7 +2975,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginPlainFunction(v)
         }
       }()
-      case 84: try {
+      case 85: try {
         var v: Fuzzilli_Protobuf_EndPlainFunction?
         var hadOneofValue = false
         if let current = self.operation {
@@ -2964,7 +2988,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endPlainFunction(v)
         }
       }()
-      case 85: try {
+      case 86: try {
         var v: Fuzzilli_Protobuf_BeginArrowFunction?
         var hadOneofValue = false
         if let current = self.operation {
@@ -2977,7 +3001,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginArrowFunction(v)
         }
       }()
-      case 86: try {
+      case 87: try {
         var v: Fuzzilli_Protobuf_EndArrowFunction?
         var hadOneofValue = false
         if let current = self.operation {
@@ -2990,7 +3014,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endArrowFunction(v)
         }
       }()
-      case 87: try {
+      case 88: try {
         var v: Fuzzilli_Protobuf_BeginGeneratorFunction?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3003,7 +3027,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginGeneratorFunction(v)
         }
       }()
-      case 88: try {
+      case 89: try {
         var v: Fuzzilli_Protobuf_EndGeneratorFunction?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3016,7 +3040,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endGeneratorFunction(v)
         }
       }()
-      case 89: try {
+      case 90: try {
         var v: Fuzzilli_Protobuf_BeginAsyncFunction?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3029,7 +3053,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginAsyncFunction(v)
         }
       }()
-      case 90: try {
+      case 91: try {
         var v: Fuzzilli_Protobuf_EndAsyncFunction?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3042,7 +3066,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endAsyncFunction(v)
         }
       }()
-      case 91: try {
+      case 92: try {
         var v: Fuzzilli_Protobuf_BeginAsyncArrowFunction?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3055,7 +3079,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginAsyncArrowFunction(v)
         }
       }()
-      case 92: try {
+      case 93: try {
         var v: Fuzzilli_Protobuf_EndAsyncArrowFunction?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3068,7 +3092,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endAsyncArrowFunction(v)
         }
       }()
-      case 93: try {
+      case 94: try {
         var v: Fuzzilli_Protobuf_BeginAsyncGeneratorFunction?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3081,7 +3105,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginAsyncGeneratorFunction(v)
         }
       }()
-      case 94: try {
+      case 95: try {
         var v: Fuzzilli_Protobuf_EndAsyncGeneratorFunction?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3094,7 +3118,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endAsyncGeneratorFunction(v)
         }
       }()
-      case 95: try {
+      case 96: try {
         var v: Fuzzilli_Protobuf_BeginConstructor?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3107,7 +3131,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginConstructor(v)
         }
       }()
-      case 96: try {
+      case 97: try {
         var v: Fuzzilli_Protobuf_EndConstructor?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3120,7 +3144,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endConstructor(v)
         }
       }()
-      case 97: try {
+      case 98: try {
         var v: Fuzzilli_Protobuf_Return?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3133,7 +3157,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .return(v)
         }
       }()
-      case 98: try {
+      case 99: try {
         var v: Fuzzilli_Protobuf_Yield?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3146,7 +3170,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .yield(v)
         }
       }()
-      case 99: try {
+      case 100: try {
         var v: Fuzzilli_Protobuf_YieldEach?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3159,7 +3183,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .yieldEach(v)
         }
       }()
-      case 100: try {
+      case 101: try {
         var v: Fuzzilli_Protobuf_Await?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3172,7 +3196,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .await(v)
         }
       }()
-      case 101: try {
+      case 102: try {
         var v: Fuzzilli_Protobuf_CallFunction?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3185,7 +3209,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .callFunction(v)
         }
       }()
-      case 102: try {
+      case 103: try {
         var v: Fuzzilli_Protobuf_CallFunctionWithSpread?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3198,7 +3222,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .callFunctionWithSpread(v)
         }
       }()
-      case 103: try {
+      case 104: try {
         var v: Fuzzilli_Protobuf_Construct?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3211,7 +3235,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .construct(v)
         }
       }()
-      case 104: try {
+      case 105: try {
         var v: Fuzzilli_Protobuf_ConstructWithSpread?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3224,7 +3248,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .constructWithSpread(v)
         }
       }()
-      case 105: try {
+      case 106: try {
         var v: Fuzzilli_Protobuf_CallMethod?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3237,7 +3261,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .callMethod(v)
         }
       }()
-      case 106: try {
+      case 107: try {
         var v: Fuzzilli_Protobuf_CallMethodWithSpread?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3250,7 +3274,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .callMethodWithSpread(v)
         }
       }()
-      case 107: try {
+      case 108: try {
         var v: Fuzzilli_Protobuf_CallComputedMethod?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3263,7 +3287,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .callComputedMethod(v)
         }
       }()
-      case 108: try {
+      case 109: try {
         var v: Fuzzilli_Protobuf_CallComputedMethodWithSpread?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3276,7 +3300,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .callComputedMethodWithSpread(v)
         }
       }()
-      case 109: try {
+      case 110: try {
         var v: Fuzzilli_Protobuf_UnaryOperation?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3289,7 +3313,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .unaryOperation(v)
         }
       }()
-      case 110: try {
+      case 111: try {
         var v: Fuzzilli_Protobuf_BinaryOperation?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3302,7 +3326,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .binaryOperation(v)
         }
       }()
-      case 111: try {
+      case 112: try {
         var v: Fuzzilli_Protobuf_TernaryOperation?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3315,7 +3339,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .ternaryOperation(v)
         }
       }()
-      case 112: try {
+      case 113: try {
         var v: Fuzzilli_Protobuf_Update?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3328,7 +3352,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .update(v)
         }
       }()
-      case 113: try {
+      case 114: try {
         var v: Fuzzilli_Protobuf_Dup?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3341,7 +3365,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .dup(v)
         }
       }()
-      case 114: try {
+      case 115: try {
         var v: Fuzzilli_Protobuf_Reassign?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3354,7 +3378,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .reassign(v)
         }
       }()
-      case 115: try {
+      case 116: try {
         var v: Fuzzilli_Protobuf_DestructArray?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3367,7 +3391,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .destructArray(v)
         }
       }()
-      case 116: try {
+      case 117: try {
         var v: Fuzzilli_Protobuf_DestructArrayAndReassign?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3380,7 +3404,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .destructArrayAndReassign(v)
         }
       }()
-      case 117: try {
+      case 118: try {
         var v: Fuzzilli_Protobuf_DestructObject?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3393,7 +3417,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .destructObject(v)
         }
       }()
-      case 118: try {
+      case 119: try {
         var v: Fuzzilli_Protobuf_DestructObjectAndReassign?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3406,7 +3430,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .destructObjectAndReassign(v)
         }
       }()
-      case 119: try {
+      case 120: try {
         var v: Fuzzilli_Protobuf_Compare?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3419,7 +3443,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .compare(v)
         }
       }()
-      case 120: try {
+      case 121: try {
         var v: Fuzzilli_Protobuf_LoadNamedVariable?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3432,7 +3456,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .loadNamedVariable(v)
         }
       }()
-      case 121: try {
+      case 122: try {
         var v: Fuzzilli_Protobuf_StoreNamedVariable?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3445,7 +3469,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .storeNamedVariable(v)
         }
       }()
-      case 122: try {
+      case 123: try {
         var v: Fuzzilli_Protobuf_DefineNamedVariable?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3458,7 +3482,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .defineNamedVariable(v)
         }
       }()
-      case 123: try {
+      case 124: try {
         var v: Fuzzilli_Protobuf_Eval?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3471,7 +3495,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .eval(v)
         }
       }()
-      case 124: try {
+      case 125: try {
         var v: Fuzzilli_Protobuf_BeginWith?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3484,7 +3508,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginWith(v)
         }
       }()
-      case 125: try {
+      case 126: try {
         var v: Fuzzilli_Protobuf_EndWith?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3497,7 +3521,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endWith(v)
         }
       }()
-      case 126: try {
+      case 127: try {
         var v: Fuzzilli_Protobuf_CallSuperConstructor?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3510,7 +3534,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .callSuperConstructor(v)
         }
       }()
-      case 127: try {
+      case 128: try {
         var v: Fuzzilli_Protobuf_CallSuperMethod?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3523,7 +3547,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .callSuperMethod(v)
         }
       }()
-      case 128: try {
+      case 129: try {
         var v: Fuzzilli_Protobuf_GetPrivateProperty?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3536,7 +3560,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .getPrivateProperty(v)
         }
       }()
-      case 129: try {
+      case 130: try {
         var v: Fuzzilli_Protobuf_SetPrivateProperty?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3549,7 +3573,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .setPrivateProperty(v)
         }
       }()
-      case 130: try {
+      case 131: try {
         var v: Fuzzilli_Protobuf_UpdatePrivateProperty?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3562,7 +3586,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .updatePrivateProperty(v)
         }
       }()
-      case 131: try {
+      case 132: try {
         var v: Fuzzilli_Protobuf_CallPrivateMethod?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3575,7 +3599,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .callPrivateMethod(v)
         }
       }()
-      case 132: try {
+      case 133: try {
         var v: Fuzzilli_Protobuf_GetSuperProperty?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3588,7 +3612,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .getSuperProperty(v)
         }
       }()
-      case 133: try {
+      case 134: try {
         var v: Fuzzilli_Protobuf_SetSuperProperty?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3601,7 +3625,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .setSuperProperty(v)
         }
       }()
-      case 134: try {
+      case 135: try {
         var v: Fuzzilli_Protobuf_GetComputedSuperProperty?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3614,7 +3638,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .getComputedSuperProperty(v)
         }
       }()
-      case 135: try {
+      case 136: try {
         var v: Fuzzilli_Protobuf_SetComputedSuperProperty?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3627,7 +3651,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .setComputedSuperProperty(v)
         }
       }()
-      case 136: try {
+      case 137: try {
         var v: Fuzzilli_Protobuf_UpdateSuperProperty?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3640,7 +3664,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .updateSuperProperty(v)
         }
       }()
-      case 137: try {
+      case 138: try {
         var v: Fuzzilli_Protobuf_BeginIf?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3653,7 +3677,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginIf(v)
         }
       }()
-      case 138: try {
+      case 139: try {
         var v: Fuzzilli_Protobuf_BeginElse?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3666,7 +3690,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginElse(v)
         }
       }()
-      case 139: try {
+      case 140: try {
         var v: Fuzzilli_Protobuf_EndIf?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3679,7 +3703,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endIf(v)
         }
       }()
-      case 140: try {
+      case 141: try {
         var v: Fuzzilli_Protobuf_BeginWhileLoopHeader?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3692,7 +3716,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginWhileLoopHeader(v)
         }
       }()
-      case 141: try {
+      case 142: try {
         var v: Fuzzilli_Protobuf_BeginWhileLoopBody?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3705,7 +3729,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginWhileLoopBody(v)
         }
       }()
-      case 142: try {
+      case 143: try {
         var v: Fuzzilli_Protobuf_EndWhileLoop?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3718,7 +3742,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endWhileLoop(v)
         }
       }()
-      case 143: try {
+      case 144: try {
         var v: Fuzzilli_Protobuf_BeginDoWhileLoopBody?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3731,7 +3755,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginDoWhileLoopBody(v)
         }
       }()
-      case 144: try {
+      case 145: try {
         var v: Fuzzilli_Protobuf_BeginDoWhileLoopHeader?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3744,7 +3768,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginDoWhileLoopHeader(v)
         }
       }()
-      case 145: try {
+      case 146: try {
         var v: Fuzzilli_Protobuf_EndDoWhileLoop?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3757,7 +3781,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endDoWhileLoop(v)
         }
       }()
-      case 146: try {
+      case 147: try {
         var v: Fuzzilli_Protobuf_BeginForLoopInitializer?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3770,7 +3794,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginForLoopInitializer(v)
         }
       }()
-      case 147: try {
+      case 148: try {
         var v: Fuzzilli_Protobuf_BeginForLoopCondition?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3783,7 +3807,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginForLoopCondition(v)
         }
       }()
-      case 148: try {
+      case 149: try {
         var v: Fuzzilli_Protobuf_BeginForLoopAfterthought?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3796,7 +3820,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginForLoopAfterthought(v)
         }
       }()
-      case 149: try {
+      case 150: try {
         var v: Fuzzilli_Protobuf_BeginForLoopBody?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3809,7 +3833,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginForLoopBody(v)
         }
       }()
-      case 150: try {
+      case 151: try {
         var v: Fuzzilli_Protobuf_EndForLoop?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3822,7 +3846,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endForLoop(v)
         }
       }()
-      case 151: try {
+      case 152: try {
         var v: Fuzzilli_Protobuf_BeginForInLoop?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3835,7 +3859,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginForInLoop(v)
         }
       }()
-      case 152: try {
+      case 153: try {
         var v: Fuzzilli_Protobuf_EndForInLoop?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3848,7 +3872,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endForInLoop(v)
         }
       }()
-      case 153: try {
+      case 154: try {
         var v: Fuzzilli_Protobuf_BeginForOfLoop?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3861,7 +3885,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginForOfLoop(v)
         }
       }()
-      case 154: try {
+      case 155: try {
         var v: Fuzzilli_Protobuf_BeginForOfLoopWithDestruct?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3874,7 +3898,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginForOfLoopWithDestruct(v)
         }
       }()
-      case 155: try {
+      case 156: try {
         var v: Fuzzilli_Protobuf_EndForOfLoop?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3887,7 +3911,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endForOfLoop(v)
         }
       }()
-      case 156: try {
+      case 157: try {
         var v: Fuzzilli_Protobuf_BeginRepeatLoop?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3900,7 +3924,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginRepeatLoop(v)
         }
       }()
-      case 157: try {
+      case 158: try {
         var v: Fuzzilli_Protobuf_EndRepeatLoop?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3913,7 +3937,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endRepeatLoop(v)
         }
       }()
-      case 158: try {
+      case 159: try {
         var v: Fuzzilli_Protobuf_LoopBreak?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3926,7 +3950,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .loopBreak(v)
         }
       }()
-      case 159: try {
+      case 160: try {
         var v: Fuzzilli_Protobuf_LoopContinue?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3939,7 +3963,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .loopContinue(v)
         }
       }()
-      case 160: try {
+      case 161: try {
         var v: Fuzzilli_Protobuf_BeginTry?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3952,7 +3976,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginTry(v)
         }
       }()
-      case 161: try {
+      case 162: try {
         var v: Fuzzilli_Protobuf_BeginCatch?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3965,7 +3989,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginCatch(v)
         }
       }()
-      case 162: try {
+      case 163: try {
         var v: Fuzzilli_Protobuf_BeginFinally?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3978,7 +4002,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginFinally(v)
         }
       }()
-      case 163: try {
+      case 164: try {
         var v: Fuzzilli_Protobuf_EndTryCatchFinally?
         var hadOneofValue = false
         if let current = self.operation {
@@ -3991,7 +4015,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endTryCatchFinally(v)
         }
       }()
-      case 164: try {
+      case 165: try {
         var v: Fuzzilli_Protobuf_ThrowException?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4004,7 +4028,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .throwException(v)
         }
       }()
-      case 165: try {
+      case 166: try {
         var v: Fuzzilli_Protobuf_BeginCodeString?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4017,7 +4041,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginCodeString(v)
         }
       }()
-      case 166: try {
+      case 167: try {
         var v: Fuzzilli_Protobuf_EndCodeString?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4030,7 +4054,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endCodeString(v)
         }
       }()
-      case 167: try {
+      case 168: try {
         var v: Fuzzilli_Protobuf_BeginBlockStatement?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4043,7 +4067,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginBlockStatement(v)
         }
       }()
-      case 168: try {
+      case 169: try {
         var v: Fuzzilli_Protobuf_EndBlockStatement?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4056,7 +4080,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endBlockStatement(v)
         }
       }()
-      case 169: try {
+      case 170: try {
         var v: Fuzzilli_Protobuf_BeginSwitch?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4069,7 +4093,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginSwitch(v)
         }
       }()
-      case 170: try {
+      case 171: try {
         var v: Fuzzilli_Protobuf_BeginSwitchCase?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4082,7 +4106,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginSwitchCase(v)
         }
       }()
-      case 171: try {
+      case 172: try {
         var v: Fuzzilli_Protobuf_BeginSwitchDefaultCase?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4095,7 +4119,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .beginSwitchDefaultCase(v)
         }
       }()
-      case 172: try {
+      case 173: try {
         var v: Fuzzilli_Protobuf_EndSwitchCase?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4108,7 +4132,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endSwitchCase(v)
         }
       }()
-      case 173: try {
+      case 174: try {
         var v: Fuzzilli_Protobuf_EndSwitch?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4121,7 +4145,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .endSwitch(v)
         }
       }()
-      case 174: try {
+      case 175: try {
         var v: Fuzzilli_Protobuf_SwitchBreak?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4134,7 +4158,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .switchBreak(v)
         }
       }()
-      case 175: try {
+      case 176: try {
         var v: Fuzzilli_Protobuf_LoadNewTarget?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4147,7 +4171,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .loadNewTarget(v)
         }
       }()
-      case 176: try {
+      case 177: try {
         var v: Fuzzilli_Protobuf_Print?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4160,7 +4184,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .print(v)
         }
       }()
-      case 177: try {
+      case 178: try {
         var v: Fuzzilli_Protobuf_Explore?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4173,7 +4197,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .explore(v)
         }
       }()
-      case 178: try {
+      case 179: try {
         var v: Fuzzilli_Protobuf_Probe?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4186,7 +4210,7 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
           self.operation = .probe(v)
         }
       }()
-      case 179: try {
+      case 180: try {
         var v: Fuzzilli_Protobuf_Fixup?
         var hadOneofValue = false
         if let current = self.operation {
@@ -4529,401 +4553,405 @@ extension Fuzzilli_Protobuf_Instruction: SwiftProtobuf.Message, SwiftProtobuf._M
       guard case .typeOf(let v)? = self.operation else { preconditionFailure() }
       try visitor.visitSingularMessageField(value: v, fieldNumber: 80)
     }()
+    case .void?: try {
+      guard case .void(let v)? = self.operation else { preconditionFailure() }
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 81)
+    }()
     case .testInstanceOf?: try {
       guard case .testInstanceOf(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 81)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 82)
     }()
     case .testIn?: try {
       guard case .testIn(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 82)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 83)
     }()
     case .beginPlainFunction?: try {
       guard case .beginPlainFunction(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 83)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 84)
     }()
     case .endPlainFunction?: try {
       guard case .endPlainFunction(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 84)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 85)
     }()
     case .beginArrowFunction?: try {
       guard case .beginArrowFunction(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 85)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 86)
     }()
     case .endArrowFunction?: try {
       guard case .endArrowFunction(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 86)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 87)
     }()
     case .beginGeneratorFunction?: try {
       guard case .beginGeneratorFunction(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 87)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 88)
     }()
     case .endGeneratorFunction?: try {
       guard case .endGeneratorFunction(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 88)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 89)
     }()
     case .beginAsyncFunction?: try {
       guard case .beginAsyncFunction(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 89)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 90)
     }()
     case .endAsyncFunction?: try {
       guard case .endAsyncFunction(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 90)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 91)
     }()
     case .beginAsyncArrowFunction?: try {
       guard case .beginAsyncArrowFunction(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 91)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 92)
     }()
     case .endAsyncArrowFunction?: try {
       guard case .endAsyncArrowFunction(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 92)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 93)
     }()
     case .beginAsyncGeneratorFunction?: try {
       guard case .beginAsyncGeneratorFunction(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 93)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 94)
     }()
     case .endAsyncGeneratorFunction?: try {
       guard case .endAsyncGeneratorFunction(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 94)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 95)
     }()
     case .beginConstructor?: try {
       guard case .beginConstructor(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 95)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 96)
     }()
     case .endConstructor?: try {
       guard case .endConstructor(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 96)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 97)
     }()
     case .return?: try {
       guard case .return(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 97)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 98)
     }()
     case .yield?: try {
       guard case .yield(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 98)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 99)
     }()
     case .yieldEach?: try {
       guard case .yieldEach(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 99)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 100)
     }()
     case .await?: try {
       guard case .await(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 100)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 101)
     }()
     case .callFunction?: try {
       guard case .callFunction(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 101)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 102)
     }()
     case .callFunctionWithSpread?: try {
       guard case .callFunctionWithSpread(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 102)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 103)
     }()
     case .construct?: try {
       guard case .construct(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 103)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 104)
     }()
     case .constructWithSpread?: try {
       guard case .constructWithSpread(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 104)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 105)
     }()
     case .callMethod?: try {
       guard case .callMethod(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 105)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 106)
     }()
     case .callMethodWithSpread?: try {
       guard case .callMethodWithSpread(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 106)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 107)
     }()
     case .callComputedMethod?: try {
       guard case .callComputedMethod(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 107)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 108)
     }()
     case .callComputedMethodWithSpread?: try {
       guard case .callComputedMethodWithSpread(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 108)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 109)
     }()
     case .unaryOperation?: try {
       guard case .unaryOperation(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 109)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 110)
     }()
     case .binaryOperation?: try {
       guard case .binaryOperation(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 110)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 111)
     }()
     case .ternaryOperation?: try {
       guard case .ternaryOperation(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 111)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 112)
     }()
     case .update?: try {
       guard case .update(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 112)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 113)
     }()
     case .dup?: try {
       guard case .dup(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 113)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 114)
     }()
     case .reassign?: try {
       guard case .reassign(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 114)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 115)
     }()
     case .destructArray?: try {
       guard case .destructArray(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 115)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 116)
     }()
     case .destructArrayAndReassign?: try {
       guard case .destructArrayAndReassign(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 116)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 117)
     }()
     case .destructObject?: try {
       guard case .destructObject(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 117)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 118)
     }()
     case .destructObjectAndReassign?: try {
       guard case .destructObjectAndReassign(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 118)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 119)
     }()
     case .compare?: try {
       guard case .compare(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 119)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 120)
     }()
     case .loadNamedVariable?: try {
       guard case .loadNamedVariable(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 120)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 121)
     }()
     case .storeNamedVariable?: try {
       guard case .storeNamedVariable(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 121)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 122)
     }()
     case .defineNamedVariable?: try {
       guard case .defineNamedVariable(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 122)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 123)
     }()
     case .eval?: try {
       guard case .eval(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 123)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 124)
     }()
     case .beginWith?: try {
       guard case .beginWith(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 124)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 125)
     }()
     case .endWith?: try {
       guard case .endWith(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 125)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 126)
     }()
     case .callSuperConstructor?: try {
       guard case .callSuperConstructor(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 126)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 127)
     }()
     case .callSuperMethod?: try {
       guard case .callSuperMethod(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 127)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 128)
     }()
     case .getPrivateProperty?: try {
       guard case .getPrivateProperty(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 128)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 129)
     }()
     case .setPrivateProperty?: try {
       guard case .setPrivateProperty(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 129)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 130)
     }()
     case .updatePrivateProperty?: try {
       guard case .updatePrivateProperty(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 130)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 131)
     }()
     case .callPrivateMethod?: try {
       guard case .callPrivateMethod(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 131)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 132)
     }()
     case .getSuperProperty?: try {
       guard case .getSuperProperty(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 132)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 133)
     }()
     case .setSuperProperty?: try {
       guard case .setSuperProperty(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 133)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 134)
     }()
     case .getComputedSuperProperty?: try {
       guard case .getComputedSuperProperty(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 134)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 135)
     }()
     case .setComputedSuperProperty?: try {
       guard case .setComputedSuperProperty(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 135)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 136)
     }()
     case .updateSuperProperty?: try {
       guard case .updateSuperProperty(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 136)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 137)
     }()
     case .beginIf?: try {
       guard case .beginIf(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 137)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 138)
     }()
     case .beginElse?: try {
       guard case .beginElse(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 138)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 139)
     }()
     case .endIf?: try {
       guard case .endIf(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 139)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 140)
     }()
     case .beginWhileLoopHeader?: try {
       guard case .beginWhileLoopHeader(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 140)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 141)
     }()
     case .beginWhileLoopBody?: try {
       guard case .beginWhileLoopBody(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 141)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 142)
     }()
     case .endWhileLoop?: try {
       guard case .endWhileLoop(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 142)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 143)
     }()
     case .beginDoWhileLoopBody?: try {
       guard case .beginDoWhileLoopBody(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 143)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 144)
     }()
     case .beginDoWhileLoopHeader?: try {
       guard case .beginDoWhileLoopHeader(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 144)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 145)
     }()
     case .endDoWhileLoop?: try {
       guard case .endDoWhileLoop(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 145)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 146)
     }()
     case .beginForLoopInitializer?: try {
       guard case .beginForLoopInitializer(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 146)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 147)
     }()
     case .beginForLoopCondition?: try {
       guard case .beginForLoopCondition(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 147)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 148)
     }()
     case .beginForLoopAfterthought?: try {
       guard case .beginForLoopAfterthought(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 148)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 149)
     }()
     case .beginForLoopBody?: try {
       guard case .beginForLoopBody(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 149)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 150)
     }()
     case .endForLoop?: try {
       guard case .endForLoop(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 150)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 151)
     }()
     case .beginForInLoop?: try {
       guard case .beginForInLoop(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 151)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 152)
     }()
     case .endForInLoop?: try {
       guard case .endForInLoop(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 152)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 153)
     }()
     case .beginForOfLoop?: try {
       guard case .beginForOfLoop(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 153)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 154)
     }()
     case .beginForOfLoopWithDestruct?: try {
       guard case .beginForOfLoopWithDestruct(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 154)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 155)
     }()
     case .endForOfLoop?: try {
       guard case .endForOfLoop(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 155)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 156)
     }()
     case .beginRepeatLoop?: try {
       guard case .beginRepeatLoop(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 156)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 157)
     }()
     case .endRepeatLoop?: try {
       guard case .endRepeatLoop(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 157)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 158)
     }()
     case .loopBreak?: try {
       guard case .loopBreak(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 158)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 159)
     }()
     case .loopContinue?: try {
       guard case .loopContinue(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 159)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 160)
     }()
     case .beginTry?: try {
       guard case .beginTry(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 160)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 161)
     }()
     case .beginCatch?: try {
       guard case .beginCatch(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 161)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 162)
     }()
     case .beginFinally?: try {
       guard case .beginFinally(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 162)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 163)
     }()
     case .endTryCatchFinally?: try {
       guard case .endTryCatchFinally(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 163)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 164)
     }()
     case .throwException?: try {
       guard case .throwException(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 164)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 165)
     }()
     case .beginCodeString?: try {
       guard case .beginCodeString(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 165)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 166)
     }()
     case .endCodeString?: try {
       guard case .endCodeString(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 166)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 167)
     }()
     case .beginBlockStatement?: try {
       guard case .beginBlockStatement(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 167)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 168)
     }()
     case .endBlockStatement?: try {
       guard case .endBlockStatement(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 168)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 169)
     }()
     case .beginSwitch?: try {
       guard case .beginSwitch(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 169)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 170)
     }()
     case .beginSwitchCase?: try {
       guard case .beginSwitchCase(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 170)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 171)
     }()
     case .beginSwitchDefaultCase?: try {
       guard case .beginSwitchDefaultCase(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 171)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 172)
     }()
     case .endSwitchCase?: try {
       guard case .endSwitchCase(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 172)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 173)
     }()
     case .endSwitch?: try {
       guard case .endSwitch(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 173)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 174)
     }()
     case .switchBreak?: try {
       guard case .switchBreak(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 174)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 175)
     }()
     case .loadNewTarget?: try {
       guard case .loadNewTarget(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 175)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 176)
     }()
     case .print?: try {
       guard case .print(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 176)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 177)
     }()
     case .explore?: try {
       guard case .explore(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 177)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 178)
     }()
     case .probe?: try {
       guard case .probe(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 178)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 179)
     }()
     case .fixup?: try {
       guard case .fixup(let v)? = self.operation else { preconditionFailure() }
-      try visitor.visitSingularMessageField(value: v, fieldNumber: 179)
+      try visitor.visitSingularMessageField(value: v, fieldNumber: 180)
     }()
     case nil: break
     }
diff --git a/Sources/Fuzzilli/Protobuf/program.proto b/Sources/Fuzzilli/Protobuf/program.proto
index c8da3a39..9a5af6fe 100644
--- a/Sources/Fuzzilli/Protobuf/program.proto
+++ b/Sources/Fuzzilli/Protobuf/program.proto
@@ -104,105 +104,106 @@ message Instruction {
         DeleteComputedProperty deleteComputedProperty = 78;
         ConfigureComputedProperty configureComputedProperty = 79;
         TypeOf typeOf = 80;
-        TestInstanceOf testInstanceOf = 81;
-        TestIn testIn = 82;
-        BeginPlainFunction beginPlainFunction = 83;
-        EndPlainFunction endPlainFunction = 84;
-        BeginArrowFunction beginArrowFunction = 85;
-        EndArrowFunction endArrowFunction = 86;
-        BeginGeneratorFunction beginGeneratorFunction = 87;
-        EndGeneratorFunction endGeneratorFunction = 88;
-        BeginAsyncFunction beginAsyncFunction = 89;
-        EndAsyncFunction endAsyncFunction = 90;
-        BeginAsyncArrowFunction beginAsyncArrowFunction = 91;
-        EndAsyncArrowFunction endAsyncArrowFunction = 92;
-        BeginAsyncGeneratorFunction beginAsyncGeneratorFunction = 93;
-        EndAsyncGeneratorFunction endAsyncGeneratorFunction = 94;
-        BeginConstructor beginConstructor = 95;
-        EndConstructor endConstructor = 96;
-        Return return = 97;
-        Yield yield = 98;
-        YieldEach yieldEach = 99;
-        Await await = 100;
-        CallFunction callFunction = 101;
-        CallFunctionWithSpread callFunctionWithSpread = 102;
-        Construct construct = 103;
-        ConstructWithSpread constructWithSpread = 104;
-        CallMethod callMethod = 105;
-        CallMethodWithSpread callMethodWithSpread = 106;
-        CallComputedMethod callComputedMethod = 107;
-        CallComputedMethodWithSpread callComputedMethodWithSpread = 108;
-        UnaryOperation unaryOperation = 109;
-        BinaryOperation binaryOperation = 110;
-        TernaryOperation ternaryOperation = 111;
-        Update update = 112;
-        Dup dup = 113;
-        Reassign reassign = 114;
-        DestructArray destructArray = 115;
-        DestructArrayAndReassign destructArrayAndReassign = 116;
-        DestructObject destructObject = 117;
-        DestructObjectAndReassign destructObjectAndReassign = 118;
-        Compare compare = 119;
-        LoadNamedVariable loadNamedVariable = 120;
-        StoreNamedVariable storeNamedVariable = 121;
-        DefineNamedVariable defineNamedVariable = 122;
-        Eval eval = 123;
-        BeginWith beginWith = 124;
-        EndWith endWith = 125;
-        CallSuperConstructor callSuperConstructor = 126;
-        CallSuperMethod callSuperMethod = 127;
-        GetPrivateProperty getPrivateProperty = 128;
-        SetPrivateProperty setPrivateProperty = 129;
-        UpdatePrivateProperty updatePrivateProperty = 130;
-        CallPrivateMethod callPrivateMethod = 131;
-        GetSuperProperty getSuperProperty = 132;
-        SetSuperProperty setSuperProperty = 133;
-        GetComputedSuperProperty getComputedSuperProperty = 134;
-        SetComputedSuperProperty setComputedSuperProperty = 135;
-        UpdateSuperProperty updateSuperProperty = 136;
-        BeginIf beginIf = 137;
-        BeginElse beginElse = 138;
-        EndIf endIf = 139;
-        BeginWhileLoopHeader beginWhileLoopHeader = 140;
-        BeginWhileLoopBody beginWhileLoopBody = 141;
-        EndWhileLoop endWhileLoop = 142;
-        BeginDoWhileLoopBody beginDoWhileLoopBody = 143;
-        BeginDoWhileLoopHeader beginDoWhileLoopHeader = 144;
-        EndDoWhileLoop endDoWhileLoop = 145;
-        BeginForLoopInitializer beginForLoopInitializer = 146;
-        BeginForLoopCondition beginForLoopCondition = 147;
-        BeginForLoopAfterthought beginForLoopAfterthought = 148;
-        BeginForLoopBody beginForLoopBody = 149;
-        EndForLoop endForLoop = 150;
-        BeginForInLoop beginForInLoop = 151;
-        EndForInLoop endForInLoop = 152;
-        BeginForOfLoop beginForOfLoop = 153;
-        BeginForOfLoopWithDestruct beginForOfLoopWithDestruct = 154;
-        EndForOfLoop endForOfLoop = 155;
-        BeginRepeatLoop beginRepeatLoop = 156;
-        EndRepeatLoop endRepeatLoop = 157;
-        LoopBreak loopBreak = 158;
-        LoopContinue loopContinue = 159;
-        BeginTry beginTry = 160;
-        BeginCatch beginCatch = 161;
-        BeginFinally beginFinally = 162;
-        EndTryCatchFinally endTryCatchFinally = 163;
-        ThrowException throwException = 164;
-        BeginCodeString beginCodeString = 165;
-        EndCodeString endCodeString = 166;
-        BeginBlockStatement beginBlockStatement = 167;
-        EndBlockStatement endBlockStatement = 168;
-        BeginSwitch beginSwitch = 169;
-        BeginSwitchCase beginSwitchCase = 170;
-        BeginSwitchDefaultCase beginSwitchDefaultCase = 171;
-        EndSwitchCase endSwitchCase = 172;
-        EndSwitch endSwitch = 173;
-        SwitchBreak switchBreak = 174;
-        LoadNewTarget loadNewTarget = 175;
-        Print print = 176;
-        Explore explore = 177;
-        Probe probe = 178;
-        Fixup fixup = 179;
+        Void void = 81;
+        TestInstanceOf testInstanceOf = 82;
+        TestIn testIn = 83;
+        BeginPlainFunction beginPlainFunction = 84;
+        EndPlainFunction endPlainFunction = 85;
+        BeginArrowFunction beginArrowFunction = 86;
+        EndArrowFunction endArrowFunction = 87;
+        BeginGeneratorFunction beginGeneratorFunction = 88;
+        EndGeneratorFunction endGeneratorFunction = 89;
+        BeginAsyncFunction beginAsyncFunction = 90;
+        EndAsyncFunction endAsyncFunction = 91;
+        BeginAsyncArrowFunction beginAsyncArrowFunction = 92;
+        EndAsyncArrowFunction endAsyncArrowFunction = 93;
+        BeginAsyncGeneratorFunction beginAsyncGeneratorFunction = 94;
+        EndAsyncGeneratorFunction endAsyncGeneratorFunction = 95;
+        BeginConstructor beginConstructor = 96;
+        EndConstructor endConstructor = 97;
+        Return return = 98;
+        Yield yield = 99;
+        YieldEach yieldEach = 100;
+        Await await = 101;
+        CallFunction callFunction = 102;
+        CallFunctionWithSpread callFunctionWithSpread = 103;
+        Construct construct = 104;
+        ConstructWithSpread constructWithSpread = 105;
+        CallMethod callMethod = 106;
+        CallMethodWithSpread callMethodWithSpread = 107;
+        CallComputedMethod callComputedMethod = 108;
+        CallComputedMethodWithSpread callComputedMethodWithSpread = 109;
+        UnaryOperation unaryOperation = 110;
+        BinaryOperation binaryOperation = 111;
+        TernaryOperation ternaryOperation = 112;
+        Update update = 113;
+        Dup dup = 114;
+        Reassign reassign = 115;
+        DestructArray destructArray = 116;
+        DestructArrayAndReassign destructArrayAndReassign = 117;
+        DestructObject destructObject = 118;
+        DestructObjectAndReassign destructObjectAndReassign = 119;
+        Compare compare = 120;
+        LoadNamedVariable loadNamedVariable = 121;
+        StoreNamedVariable storeNamedVariable = 122;
+        DefineNamedVariable defineNamedVariable = 123;
+        Eval eval = 124;
+        BeginWith beginWith = 125;
+        EndWith endWith = 126;
+        CallSuperConstructor callSuperConstructor = 127;
+        CallSuperMethod callSuperMethod = 128;
+        GetPrivateProperty getPrivateProperty = 129;
+        SetPrivateProperty setPrivateProperty = 130;
+        UpdatePrivateProperty updatePrivateProperty = 131;
+        CallPrivateMethod callPrivateMethod = 132;
+        GetSuperProperty getSuperProperty = 133;
+        SetSuperProperty setSuperProperty = 134;
+        GetComputedSuperProperty getComputedSuperProperty = 135;
+        SetComputedSuperProperty setComputedSuperProperty = 136;
+        UpdateSuperProperty updateSuperProperty = 137;
+        BeginIf beginIf = 138;
+        BeginElse beginElse = 139;
+        EndIf endIf = 140;
+        BeginWhileLoopHeader beginWhileLoopHeader = 141;
+        BeginWhileLoopBody beginWhileLoopBody = 142;
+        EndWhileLoop endWhileLoop = 143;
+        BeginDoWhileLoopBody beginDoWhileLoopBody = 144;
+        BeginDoWhileLoopHeader beginDoWhileLoopHeader = 145;
+        EndDoWhileLoop endDoWhileLoop = 146;
+        BeginForLoopInitializer beginForLoopInitializer = 147;
+        BeginForLoopCondition beginForLoopCondition = 148;
+        BeginForLoopAfterthought beginForLoopAfterthought = 149;
+        BeginForLoopBody beginForLoopBody = 150;
+        EndForLoop endForLoop = 151;
+        BeginForInLoop beginForInLoop = 152;
+        EndForInLoop endForInLoop = 153;
+        BeginForOfLoop beginForOfLoop = 154;
+        BeginForOfLoopWithDestruct beginForOfLoopWithDestruct = 155;
+        EndForOfLoop endForOfLoop = 156;
+        BeginRepeatLoop beginRepeatLoop = 157;
+        EndRepeatLoop endRepeatLoop = 158;
+        LoopBreak loopBreak = 159;
+        LoopContinue loopContinue = 160;
+        BeginTry beginTry = 161;
+        BeginCatch beginCatch = 162;
+        BeginFinally beginFinally = 163;
+        EndTryCatchFinally endTryCatchFinally = 164;
+        ThrowException throwException = 165;
+        BeginCodeString beginCodeString = 166;
+        EndCodeString endCodeString = 167;
+        BeginBlockStatement beginBlockStatement = 168;
+        EndBlockStatement endBlockStatement = 169;
+        BeginSwitch beginSwitch = 170;
+        BeginSwitchCase beginSwitchCase = 171;
+        BeginSwitchDefaultCase beginSwitchDefaultCase = 172;
+        EndSwitchCase endSwitchCase = 173;
+        EndSwitch endSwitch = 174;
+        SwitchBreak switchBreak = 175;
+        LoadNewTarget loadNewTarget = 176;
+        Print print = 177;
+        Explore explore = 178;
+        Probe probe = 179;
+        Fixup fixup = 180;
     }
 }
 
diff --git a/Sources/Fuzzilli/Protobuf/sync.pb.swift b/Sources/Fuzzilli/Protobuf/sync.pb.swift
index 156ed692..ec48a9ca 100644
--- a/Sources/Fuzzilli/Protobuf/sync.pb.swift
+++ b/Sources/Fuzzilli/Protobuf/sync.pb.swift
@@ -1,5 +1,6 @@
 // DO NOT EDIT.
 // swift-format-ignore-file
+// swiftlint:disable all
 //
 // Generated by the Swift generator plugin for the protocol buffer compiler.
 // Source: sync.proto
diff --git a/Tests/FuzzilliTests/CompilerTests/basic_void.js b/Tests/FuzzilliTests/CompilerTests/basic_void.js
new file mode 100644
index 00000000..864051d2
--- /dev/null
+++ b/Tests/FuzzilliTests/CompilerTests/basic_void.js
@@ -0,0 +1,10 @@
+const output = void 1;
+console.log(output);
+// Expected output: undefined
+
+void console.log('expression evaluated');
+// Expected output: "expression evaluated"
+
+void (function iife() {
+  console.log('iife is executed');
+})();
\ No newline at end of file