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-rw-r--r--src/reflect/scala/reflect/internal/Symbols.scala6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/reflect/scala/reflect/internal/Symbols.scala b/src/reflect/scala/reflect/internal/Symbols.scala
index e91bfadc85..d5fc52abbf 100644
--- a/src/reflect/scala/reflect/internal/Symbols.scala
+++ b/src/reflect/scala/reflect/internal/Symbols.scala
@@ -2054,7 +2054,11 @@ trait Symbols extends api.Symbols { self: SymbolTable =>
* where it is the outer class of the enclosing class.
*/
final def outerClass: Symbol =
- if (owner.isClass) owner
+ if (this == NoSymbol) {
+ // ideally we shouldn't get here, but its better to harden against this than suffer the infinite loop in SI-9133
+ devWarningDumpStack("NoSymbol.outerClass", 15)
+ NoSymbol
+ } else if (owner.isClass) owner
else if (isClassLocalToConstructor) owner.enclClass.outerClass
else owner.outerClass