From: ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 28 Mar 2013 08:30:32 +0000 (+0000)
Subject: 	* toplev.c (process_options): Do not disable -fomit-frame-pointer on a
X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=commitdiff_plain;h=3bcfbe78375cc2175d40fc0f6d104f1bdf7dc95f

	* toplev.c (process_options): Do not disable -fomit-frame-pointer on a
	general basis if unwind info is requested and ACCUMULATE_OUTGOING_ARGS
	is not enabled.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@197188 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 491ec5cce61..4f6fd2b4944 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2013-03-28  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* toplev.c (process_options): Do not disable -fomit-frame-pointer on a
+	general basis if unwind info is requested and ACCUMULATE_OUTGOING_ARGS
+	is not enabled.
+
 2013-03-27  Walter Lee  <walt@tilera.com>
 
 	Backport from mainline:
diff --git a/gcc/toplev.c b/gcc/toplev.c
index 6f1da41b761..6bf17368738 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -1605,18 +1605,6 @@ process_options (void)
   if (!flag_stack_protect)
     warn_stack_protect = 0;
 
-  /* ??? Unwind info is not correct around the CFG unless either a frame
-     pointer is present or A_O_A is set.  Fixing this requires rewriting
-     unwind info generation to be aware of the CFG and propagating states
-     around edges.  */
-  if (flag_unwind_tables && !ACCUMULATE_OUTGOING_ARGS
-      && flag_omit_frame_pointer)
-    {
-      warning (0, "unwind tables currently require a frame pointer "
-	       "for correctness");
-      flag_omit_frame_pointer = 0;
-    }
-
   /* Enable -Werror=coverage-mismatch when -Werror and -Wno-error
      have not been set.  */
   if (!global_options_set.x_warnings_are_errors