From patchwork Thu Apr 21 12:44:43 2011
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Subject: [committed] : vms/ia64: avoid a crash if -mdebug-main is used without
 -g
Date: Thu, 21 Apr 2011 02:44:43 -0000
From: Tristan Gingold <gingold@adacore.com>
X-Patchwork-Id: 92407
Message-Id: <1C32864C-0B82-4358-9E1C-5DF5AC072F37@adacore.com>
To: "gcc-patches@gcc.gnu.org Patches" <gcc-patches@gcc.gnu.org>

Hi,

this simple patch adds a guard to avoid a crash.  As -mdebug-main directly calls dwarf2out, debug_info_level should be checked before.

Committed on trunk.

Tristan.

2011-04-21  Tristan Gingold  <gingold@adacore.com>

	* config/ia64/ia64.c (ia64_start_function): Add a guard.


--- gcc/config/ia64/ia64.c	(revision 172821)
+++ gcc/config/ia64/ia64.c	(working copy)
@@ -3542,6 +3542,7 @@
 {
 #if VMS_DEBUGGING_INFO
   if (vms_debug_main
+      && debug_info_level > DINFO_LEVEL_NONE
       && strncmp (vms_debug_main, fnname, strlen (vms_debug_main)) == 0)
     {
       targetm.asm_out.globalize_label (asm_out_file, VMS_DEBUG_MAIN_POINTER);