unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL before looking in the context.

2007-07-15  Andrew Haley  <aph@redhat.com>

        * unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc !=
	NULL before looking in the context.

From-SVN: r126658

gcc/ChangeLog

+2007-07-15  Andrew Haley  <aph@redhat.com>
+
+	* unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL
+	before looking in the context.
+
 2007-07-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
 	PR middle-end/32398

gcc/unwind-sjlj.c

@@ -222,7 +222,10 @@ _Unwind_Ptr
 _Unwind_GetIPInfo (struct _Unwind_Context *context, int *ip_before_insn)
 {
   *ip_before_insn = 0;
-  return context->fc->call_site + 1;
+  if (context->fc != NULL)
+    return context->fc->call_site + 1;
+  else
+    return 0;
 }
 
 /* Set the return landing pad index in CONTEXT.  */