Do not perform type alias expansion for error types.

2016-06-08 16:13:03 +03:00
parent b2e5cfebee
commit ccbade663b
1 changed files with 3 additions and 1 deletions
@@ -113,13 +113,15 @@ class TypeAliasExpander(
    ): TypeProjection {
        val type = originalProjection.type

-        if (!type.requiresTypeAliasExpansion()) {
+        if (type.isError || !type.requiresTypeAliasExpansion()) {
            return originalProjection
        }

        val typeConstructor = type.constructor
        val typeDescriptor = typeConstructor.declarationDescriptor

+        assert(typeConstructor.parameters.size == type.arguments.size) { "Unexpected malformed type: $type" }
+        
        when (typeDescriptor) {
            is TypeParameterDescriptor -> {
                return originalProjection