Place the GC attribute on the same relative pointer
position to make it consistant and to match gcc's behavior,
by placing it at the inner-most pointer.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72784 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 3b40526..b36d1f3 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -828,6 +828,13 @@
   if (CanT.getObjCGCAttr() == GCAttr)
     return T;
   
+  if (T->isPointerType()) {
+    QualType Pointee = T->getAsPointerType()->getPointeeType();
+    if (Pointee->isPointerType()) {
+      QualType ResultType = getObjCGCQualType(Pointee, GCAttr);
+      return getPointerType(ResultType);
+    }
+  }
   // If we are composing extended qualifiers together, merge together into one
   // ExtQualType node.
   unsigned CVRQuals = T.getCVRQualifiers();