diff options
| -rw-r--r-- | sources/scala/tools/nsc/backend/icode/GenICode.scala | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sources/scala/tools/nsc/backend/icode/GenICode.scala b/sources/scala/tools/nsc/backend/icode/GenICode.scala index bca00a6187..afc56ae051 100644 --- a/sources/scala/tools/nsc/backend/icode/GenICode.scala +++ b/sources/scala/tools/nsc/backend/icode/GenICode.scala @@ -1106,8 +1106,10 @@ abstract class GenICode extends SubComponent { override def traverse(tree: Tree): Unit = tree match { case LabelDef(name, params, rhs) => - ctx.labels += tree.symbol -> (new Label(tree.symbol) setParams(params map (.symbol))); - ctx.method.addLocals(params map (p => new Local(p.symbol, toTypeKind(p.symbol.info)))); + if (!ctx.labels.contains(tree.symbol)) { + ctx.labels += tree.symbol -> (new Label(tree.symbol) setParams(params map (.symbol))); + ctx.method.addLocals(params map (p => new Local(p.symbol, toTypeKind(p.symbol.info)))); + } super.traverse(rhs); case _ => super.traverse(tree); |