diff options
| -rw-r--r-- | src/dotty/tools/dotc/typer/TypeAssigner.scala | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/dotty/tools/dotc/typer/TypeAssigner.scala b/src/dotty/tools/dotc/typer/TypeAssigner.scala index cb6fefab1..193af8f0e 100644 --- a/src/dotty/tools/dotc/typer/TypeAssigner.scala +++ b/src/dotty/tools/dotc/typer/TypeAssigner.scala @@ -314,8 +314,11 @@ trait TypeAssigner { tree.withType(defn.NothingType) def assignType(tree: untpd.Try, expr: Tree, handler: Tree)(implicit ctx: Context) = { - val handlerTypeArgs = handler.tpe.baseArgTypesHi(defn.FunctionClass(1)) - tree.withType(if (handlerTypeArgs.nonEmpty) expr.tpe | handlerTypeArgs(1) else expr.tpe) + if(handler.isEmpty) tree.withType(expr.tpe) + else if(handler.tpe.derivesFrom(defn.FunctionClass(1))) { + val handlerTypeArgs = handler.tpe.baseArgTypesHi(defn.FunctionClass(1)) + tree.withType(if (handlerTypeArgs.nonEmpty) expr.tpe | handlerTypeArgs(1) else expr.tpe /*| Object, as function returns boxed value ??? */) + } else tree.withType(expr.tpe | handler.tpe) } def assignType(tree: untpd.Throw)(implicit ctx: Context) = |