[TypeCheckType] Lift malformed type check for fnType in resolveASTFun…

…ctionType
swiftlang · Jun 12, 2020 · b2e8a60 · b2e8a60
1 parent 0c33206
commit b2e8a60
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/lib/Sema/TypeCheckType.cpp b/lib/Sema/TypeCheckType.cpp
@@ -2700,13 +2700,16 @@ Type TypeResolver::resolveASTFunctionType(
   }
 
   auto fnTy = FunctionType::get(params, outputTy, extInfo);
+
+  if (fnTy->hasError())
+    return fnTy;
+
   // If the type is a block or C function pointer, it must be representable in
   // ObjC.
   switch (representation) {
   case AnyFunctionType::Representation::Block:
   case AnyFunctionType::Representation::CFunctionPointer:
-    if (!fnTy->hasError() &&
-        !fnTy->isRepresentableIn(ForeignLanguage::ObjectiveC, DC)) {
+    if (!fnTy->isRepresentableIn(ForeignLanguage::ObjectiveC, DC)) {
       StringRef strName =
         (representation == AnyFunctionType::Representation::Block)
         ? "block"