Fix compiler crash in WUnused

scala · Apr 26, 2023 · 72e5dd2 · 72e5dd2
1 parent 40502e0
commit 72e5dd2
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/compiler/src/dotty/tools/dotc/transform/CheckUnused.scala b/compiler/src/dotty/tools/dotc/transform/CheckUnused.scala
@@ -47,7 +47,8 @@ class CheckUnused private (phaseMode: CheckUnused.PhaseMode, suffix: String, _ke
 
   override def isRunnable(using Context): Boolean =
     ctx.settings.Wunused.value.nonEmpty &&
-    !ctx.isJava
+    !ctx.isJava &&
+    super.isRunnable
 
   // ========== SETUP ============
 

diff --git a/tests/neg-custom-args/fatal-warnings/i17335.scala b/tests/neg-custom-args/fatal-warnings/i17335.scala
@@ -0,0 +1,4 @@
+// scalac: -Wunused:all
+
+def aMethod() =
+  doStuff { (x) => x } // error