Replace all comparisons between ObjCInterfaceDecl pointers with calls
to declaresSameEntity(), as a baby step toward tracking forward
declarations of Objective-C classes precisely. Part of
<rdar://problem/10583531>.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146618 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExprMember.cpp b/lib/Sema/SemaExprMember.cpp
index da09968..03b1731 100644
--- a/lib/Sema/SemaExprMember.cpp
+++ b/lib/Sema/SemaExprMember.cpp
@@ -1150,8 +1150,8 @@
       }
 
       if (IV->getAccessControl() == ObjCIvarDecl::Private) {
-        if (ClassDeclared != IDecl ||
-            ClassOfMethodDecl != ClassDeclared)
+        if (!declaresSameEntity(ClassDeclared, IDecl) ||
+            !declaresSameEntity(ClassOfMethodDecl, ClassDeclared))
           Diag(MemberLoc, diag::error_private_ivar_access)
             << IV->getDeclName();
       } else if (!IDecl->isSuperClassOf(ClassOfMethodDecl))