Fix a crash when overloading id with objc_object*.

Radar 8400356.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113397 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 18 insertions, 0 deletions

diff --git a/lib/AST/Type.cpp b/lib/AST/Type.cpp
index 8e6aa23618..114c9ac7df 100644
--- a/lib/AST/Type.cpp
+++ b/lib/AST/Type.cpp
@@ -470,6 +470,24 @@ bool Type::isIntegralOrEnumerationType() const {
   return false;  
 }
 
+bool Type::isLegacyObjCIdType(ASTContext &Ctx) const {
+  if (const PointerType *PTTo = getAs<PointerType>()) {
+    QualType PointeeTy = PTTo->getPointeeType();
+    if (const RecordType *RTy = PointeeTy->getAs<RecordType>())
+      return RTy->getDecl()->getIdentifier() == &Ctx.Idents.get("objc_object");
+  }
+  return false;
+}
+
+bool Type::isLegacyObjCClassType(ASTContext &Ctx) const {
+  if (const PointerType *PTTo = getAs<PointerType>()) {
+    QualType PointeeTy = PTTo->getPointeeType();
+    if (const RecordType *RTy = PointeeTy->getAs<RecordType>())
+      return RTy->getDecl()->getIdentifier() == &Ctx.Idents.get("objc_class");
+  }
+  return false;
+}
+
 bool Type::isEnumeralType() const {
   if (const TagType *TT = dyn_cast<TagType>(CanonicalType))
     return TT->getDecl()->isEnum();