Flag class file collision as error

scala · Oct 9, 2024 · 632278e · 632278e
1 parent cd3bd1d
commit 632278e
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/compiler/src/dotty/tools/backend/jvm/PostProcessor.scala b/compiler/src/dotty/tools/backend/jvm/PostProcessor.scala
@@ -73,7 +73,7 @@ class PostProcessor(val frontendAccess: PostProcessorFrontendAccess, val bTypes:
           else s" (defined in ${pos2.source.file.name})"
         def nicify(name: String): String = name.replace('/', '.').nn
         if name1 == name2 then
-          backendReporting.warning(
+          backendReporting.error(
             em"${nicify(name1)} and ${nicify(name2)} produce classes that overwrite one another", pos1)
         else
           backendReporting.warning(

diff --git a/tests/pos-with-compiler-cc/backend/jvm/GenBCode.scala b/tests/pos-with-compiler-cc/backend/jvm/GenBCode.scala
@@ -214,7 +214,7 @@ class GenBCodePipeline(val int: DottyBackendInterface, val primitives: DottyPrim
           val same = classSymbol.effectiveName.toString == dupClassSym.effectiveName.toString
           atPhase(typerPhase) {
             if (same)
-              report.warning( // FIXME: This should really be an error, but then FromTasty tests fail
+              report.error(
                 em"$cl1 and ${cl2.showLocated} produce classes that overwrite one another", cl1.sourcePos)
             else
               report.warning(