Minor tweak to name lookup for C/Objective-C: after the first name, still consider whether this is a redeclaration lookup when determining whether to look for the visible declaration

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147499 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Sema/SemaLookup.cpp

@@ -1196,7 +1196,7 @@ bool Sema::LookupName(LookupResult &R, Scope *S, bool AllowBuiltinCreation) {
           if (!(*LastI)->isInIdentifierNamespace(IDNS))
             continue;
           
-          D = getVisibleDecl(*LastI);
+          D = R.isForRedeclaration()? *LastI : getVisibleDecl(*LastI);
           if (D)
             R.addDecl(D);
         }