diff options
| -rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/Checkable.scala | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/Checkable.scala b/src/compiler/scala/tools/nsc/typechecker/Checkable.scala index 31a31df764..67c5666f66 100644 --- a/src/compiler/scala/tools/nsc/typechecker/Checkable.scala +++ b/src/compiler/scala/tools/nsc/typechecker/Checkable.scala @@ -246,8 +246,8 @@ trait Checkable { uncheckedOk(P0) || (P0.widen match { case TypeRef(_, NothingClass | NullClass | AnyValClass, _) => false case RefinedType(_, decls) if !decls.isEmpty => false - case p => - new CheckabilityChecker(AnyTpe, p) isCheckable + case RefinedType(parents, _) => parents forall isCheckable + case p => new CheckabilityChecker(AnyTpe, p) isCheckable }) ) @@ -273,6 +273,8 @@ trait Checkable { // Matching on types like case _: AnyRef { def bippy: Int } => doesn't work -- yet. case RefinedType(_, decls) if !decls.isEmpty => getContext.unit.warning(tree.pos, s"a pattern match on a refinement type is unchecked") + case RefinedType(parents, _) => + parents foreach (p => checkCheckable(tree, p, X, inPattern, canRemedy)) case _ => val checker = new CheckabilityChecker(X, P) log(checker.summaryString) |