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-rw-r--r--src/compiler/scala/tools/nsc/typechecker/PatternMatching.scala2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/PatternMatching.scala b/src/compiler/scala/tools/nsc/typechecker/PatternMatching.scala
index d73460f7e3..a8f471a396 100644
--- a/src/compiler/scala/tools/nsc/typechecker/PatternMatching.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/PatternMatching.scala
@@ -1405,7 +1405,7 @@ trait PatternMatching extends Transform with TypingTransformers with ast.TreeDSL
// assert(owner ne null); assert(owner ne NoSymbol)
def freshSym(pos: Position, tp: Type = NoType, prefix: String = "x") =
- NoSymbol.newTermSymbol(freshName(prefix), pos) setInfo tp
+ NoSymbol.newTermSymbol(freshName(prefix), pos, newFlags = SYNTHETIC) setInfo tp
def newSynthCaseLabel(name: String) =
NoSymbol.newLabel(freshName(name), NoPosition) setFlag treeInfo.SYNTH_CASE_FLAGS