Fix non-MSVC build error in ASTContext::getAdjustedType

Use FunctionTypeUnwrapper like we do in AttributedType to try to keep
some sugar.  We can actually do one better here in the future by
avoiding the AdjustedType node altogether when no sugar would be lost.

llvm-svn: 196455

1 files changed, 4 insertions, 2 deletions

diff --git a/clang/lib/Sema/SemaType.cpp b/clang/lib/Sema/SemaType.cpp
index 63ac15baeb6..6dfc235a142 100644
--- a/clang/lib/Sema/SemaType.cpp
+++ b/clang/lib/Sema/SemaType.cpp
@@ -4596,7 +4596,8 @@ static bool handleFunctionTypeAttr(TypeProcessingState &state,
 }
 
 void Sema::adjustMemberFunctionCC(QualType &T, bool IsStatic) {
-  const FunctionType *FT = T->castAs<FunctionType>();
+  FunctionTypeUnwrapper Unwrapped(*this, T);
+  const FunctionType *FT = Unwrapped.get();
   bool IsVariadic = (isa<FunctionProtoType>(FT) &&
                      cast<FunctionProtoType>(FT)->isVariadic());
 
@@ -4621,7 +4622,8 @@ void Sema::adjustMemberFunctionCC(QualType &T, bool IsStatic) {
   }
 
   FT = Context.adjustFunctionType(FT, FT->getExtInfo().withCallingConv(ToCC));
-  T = Context.getAdjustedType(T, QualType(FT, T.getQualifiers()));
+  QualType Wrapped = Unwrapped.wrap(*this, FT);
+  T = Context.getAdjustedType(T, Wrapped);
 }
 
 /// Handle OpenCL image access qualifiers: read_only, write_only, read_write