[ObjC] Remove _Atomic from return type and parameter type of

objective-c properties.

This fixes an assert in CodeGen that fires when the getter and setter
functions for an objective-c property of type _Atomic(_Bool) are
synthesized.

rdar://problem/26322972

Differential Revision: http://reviews.llvm.org/D20407


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@270808 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/AST/Type.cpp b/lib/AST/Type.cpp
index 0e5f0b256e..6dc585bf29 100644
--- a/lib/AST/Type.cpp
+++ b/lib/AST/Type.cpp
@@ -1274,6 +1274,12 @@ QualType QualType::stripObjCKindOfType(const ASTContext &constCtx) const {
            });
 }
 
+QualType QualType::getAtomicUnqualifiedType() const {
+  if (auto AT = getTypePtr()->getAs<AtomicType>())
+    return AT->getValueType().getUnqualifiedType();
+  return getUnqualifiedType();
+}
+
 Optional<ArrayRef<QualType>> Type::getObjCSubstitutions(
                                const DeclContext *dc) const {
   // Look through method scopes.