Implement the protected access restriction ([class.protected]), which requires
that protected members be used on objects of types which derive from the
naming class of the lookup.  My first N attempts at this were poorly-founded,
largely because the standard is very badly worded here.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100562 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index ae4bc8c..132245e 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -496,13 +496,15 @@
                                NestedNameSpecifier *qual,
                                SourceRange qualrange,
                                ValueDecl *memberdecl,
-                               NamedDecl *founddecl,
+                               DeclAccessPair founddecl,
                                SourceLocation l,
                                const TemplateArgumentListInfo *targs,
                                QualType ty) {
   std::size_t Size = sizeof(MemberExpr);
 
-  bool hasQualOrFound = (qual != 0 || founddecl != memberdecl);
+  bool hasQualOrFound = (qual != 0 ||
+                         founddecl.getDecl() != memberdecl ||
+                         founddecl.getAccess() != memberdecl->getAccess());
   if (hasQualOrFound)
     Size += sizeof(MemberNameQualifier);