Fix seg fault for catch(...)

fixes vgvassilev#86
vaithak · Jan 18, 2024 · a307338 · a307338
1 parent d8ef790
commit a307338
Show file tree

Hide file tree

Showing 2 changed files with 7 additions and 0 deletions.
diff --git a/lib/Differentiator/StmtClone.cpp b/lib/Differentiator/StmtClone.cpp
@@ -459,6 +459,8 @@ VarDecl* StmtClone::CloneDeclOrNull(VarDecl* Node)  {
 }
 
 Decl* StmtClone::CloneDecl(Decl* Node)  {
+  if (!Node)
+    return nullptr;
   // we support only exactly this class, so no visitor is needed (yet?)
   if (Node->getKind() == Decl::Var) {
     VarDecl* VD = static_cast<VarDecl*>(Node);

diff --git a/test/FirstDerivative/DiffInterface.C b/test/FirstDerivative/DiffInterface.C
@@ -75,13 +75,18 @@ int f_try_catch(int x)
   catch (int) {
     return 0;
   }
+  catch (...) {
+    return 1;
+  }
 
 // CHECK: int f_try_catch_darg0(int x) {
 // CHECK-NEXT:    int _d_x = 1;
 // CHECK-NEXT:    try {
 // CHECK-NEXT:        return x;
 // CHECK-NEXT:    } catch (int) {
 // CHECK-NEXT:        return 0;
+// CHECK-NEXT:    } catch (...) {
+// CHECK-NEXT:        return 1;
 // CHECK-NEXT:    }
 // CHECK-NEXT: }