use pointer comparison instead of isStr

llvm-svn: 101022
diff --git a/clang/lib/Parse/ParseExpr.cpp b/clang/lib/Parse/ParseExpr.cpp
index a29ea81..d1686a1 100644
--- a/clang/lib/Parse/ParseExpr.cpp
+++ b/clang/lib/Parse/ParseExpr.cpp
@@ -641,7 +641,7 @@
     if (getLang().ObjC1 && Tok.is(tok::period) &&
         (Actions.getTypeName(II, ILoc, CurScope) ||
          // Allow the base to be 'super' if in an objc-method.
-         (II.isStr("super") && CurScope->isInObjcMethodScope()))) {
+         (&II == Ident_super && CurScope->isInObjcMethodScope()))) {
       SourceLocation DotLoc = ConsumeToken();
       
       if (Tok.isNot(tok::identifier)) {
@@ -1442,10 +1442,9 @@
         return OwningExprResult(Actions);
       }
       
-      
       // Reject the cast of super idiom in ObjC.
       if (Tok.is(tok::identifier) && getLang().ObjC1 &&
-          Tok.getIdentifierInfo()->isStr("super")) {
+          Tok.getIdentifierInfo() == Ident_super) {
         Diag(Tok.getLocation(), diag::err_illegal_super_cast)
           << SourceRange(OpenLoc, RParenLoc);
         return ExprError();