From 7d9795e55251f0bbd8ae853c2aca0f35dba431e3 Mon Sep 17 00:00:00 2001
From: Richard Stallman <rms@gnu.org>
Date: Mon, 25 Jan 1993 06:36:24 +0000
Subject: (lookup_label): Return 0 if not within a function.

From-SVN: r3324
---
 gcc/c-decl.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'gcc')

diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index 3222fd0..cc5e011 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -2226,6 +2226,13 @@ lookup_label (id)
 {
   register tree decl = IDENTIFIER_LABEL_VALUE (id);
 
+  if (current_function_decl == 0)
+    {
+      error ("label %s referenced outside of any function",
+	     IDENTIFIER_POINTER (id));
+      return 0;
+    }
+
   /* Use a label already defined or ref'd with this name.  */
   if (decl != 0)
     {
-- 
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