fix: zinc issue with duplicates

.bazelrc_shared

@@ -2,6 +2,10 @@ common --announce_rc
 common --color=yes
 
 build --experimental_strict_action_env
+build --java_language_version=21
+build --java_runtime_version=21
+build --tool_java_language_version=21
+build --tool_java_runtime_version=21
 build --extra_toolchains=@local_jdk//:all
 
 build --strategy=ScalaCompile=worker

.gitignore

@@ -9,6 +9,7 @@ hash2
 .bazel_cache
 /external-tools/
 target/
+tests/compile/zinc-inc/A.scala
 
 !bazel-*.rc
 !bazel-multiversion

tests/compile/zinc-inc/A1.scala

@@ -0,0 +1,5 @@
+package test
+
+sealed trait A
+object A:
+  case object Item extends A

tests/compile/zinc-inc/A2.scala

@@ -0,0 +1,5 @@
+package test
+
+opaque type A = Int
+object A:
+  val A: Item = 1

tests/compile/zinc-inc/B.scala

@@ -1 +1,4 @@
-final class B
+package test
+
+def test(): Unit =
+  println(A.Item)

tests/compile/zinc-inc/BUILD

@@ -1,6 +1,12 @@
 load("@rules_scala3//rules:scala.bzl", "scala_library")
 
+scala_library(
+    name = "a",
+    srcs = ["A1.scala"],
+)
+
 scala_library(
     name = "lib",
-    srcs = glob(["*.scala"]),
+    srcs = ["B.scala"],
+    deps = [":a"],
 )

tests/compile/zinc-inc/test

@@ -2,4 +2,7 @@
 . "$(dirname "$0")"/../../common.sh
 
 # rm -fr "$(bazel info execution_root)/.bazel-zinc"
+cat A1.scala > A.scala
+bazel build --noworker_sandboxing --worker_extra_flag=ScalaCompile=--persistence_dir=/tmp/.bazel-zinc --worker_extra_flag=ScalaCompile=--extracted_file_cache=/tmp/.bazel-zinc-outputs :lib
+cat A2.scala > A.scala
 bazel build --noworker_sandboxing --worker_extra_flag=ScalaCompile=--persistence_dir=/tmp/.bazel-zinc --worker_extra_flag=ScalaCompile=--extracted_file_cache=/tmp/.bazel-zinc-outputs :lib