From 9ba479bd2c2c102559c8416d6a08c996c16b6ebc Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 18 Feb 2011 21:16:39 +0000
Subject: fix rdar://9024687, a crash on invalid that we used to silently
 ignore.

llvm-svn: 125962
---
 clang/lib/Parse/ParseExpr.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'clang/lib/Parse/ParseExpr.cpp')

diff --git a/clang/lib/Parse/ParseExpr.cpp b/clang/lib/Parse/ParseExpr.cpp
index 84d77300eb2..616c251583f 100644
--- a/clang/lib/Parse/ParseExpr.cpp
+++ b/clang/lib/Parse/ParseExpr.cpp
@@ -794,6 +794,9 @@ ExprResult Parser::ParseCastExpression(bool isUnaryExpression,
     if (Tok.isNot(tok::identifier))
       return ExprError(Diag(Tok, diag::err_expected_ident));
 
+    if (getCurScope()->getFnParent() == 0)
+      return ExprError(Diag(Tok, diag::err_address_of_label_outside_fn));
+    
     Diag(AmpAmpLoc, diag::ext_gnu_address_of_label);
     LabelDecl *LD = Actions.LookupOrCreateLabel(Tok.getIdentifierInfo(),
                                                 Tok.getLocation());
-- 
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