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Diffstat (limited to 'src/compiler/scala/tools/nsc/typechecker/Typers.scala')
| -rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/Typers.scala | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/Typers.scala b/src/compiler/scala/tools/nsc/typechecker/Typers.scala index 701b2fe245..e054f41900 100644 --- a/src/compiler/scala/tools/nsc/typechecker/Typers.scala +++ b/src/compiler/scala/tools/nsc/typechecker/Typers.scala @@ -2938,9 +2938,11 @@ trait Typers { self: Analyzer => /** Types a type constructor tree used in a new or supertype */ def typedTypeConstructor(tree: Tree): Tree = { val result = typed(tree, TYPEmode | FUNmode, WildcardType) - if (!phase.erasedTypes && result.tpe.isInstanceOf[TypeRef] && !result.tpe.prefix.isStable) - error(tree.pos, result.tpe.prefix+" is not a legal prefix for a constructor") - result setType(result.tpe) // @M: normalization is done during erasure + val restpe = result.tpe.normalize + if (!phase.erasedTypes && restpe.isInstanceOf[TypeRef] && !restpe.prefix.isStable) { + error(tree.pos, restpe.prefix+" is not a legal prefix for a constructor") + } + result setType restpe // @M: normalization is done during erasure } def computeType(tree: Tree, pt: Type): Type = { |