gcc-4.6.0: Bring in patches from FSF 4.6 branch

This brings in new patches from 4.6 release branch
updates the comment section of existing branch to not
contain patch numbers.

Tested build on qemu for arm ppc mips x86 and x86_64

(From OE-Core rev: 3968f33b6542cf20cf63cf49bfbc033bd2486295)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0209-PR-target-48723.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0209-PR-target-48723.patch
new file mode 100644
index 0000000000..01df534866
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0209-PR-target-48723.patch
@@ -0,0 +1,26 @@
+From 55ec7e3af4823fc378f78e35b795af1bafcd3542 Mon Sep 17 00:00:00 2001
+From: ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Tue, 3 May 2011 07:20:30 +0000
+Subject: [PATCH]        PR target/48723
+        * config/i386/i386.c (ix86_expand_prologue): Do not probe the stack
+        for -fstack-check if the size to allocate is negative.
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@173289 138bc75d-0d04-0410-961f-82ee72b054a4
+
+index 6e4bb3b..f3a8a0c 100644
+--- a/gcc/config/i386/i386.c
++++ b/gcc/config/i386/i386.c
+@@ -10566,8 +10566,8 @@ ix86_expand_prologue (void)
+     }
+ 
+   /* The stack has already been decremented by the instruction calling us
+-     so we need to probe unconditionally to preserve the protection area.  */
+-  if (flag_stack_check == STATIC_BUILTIN_STACK_CHECK)
++     so probe if the size is non-negative to preserve the protection area.  */
++  if (allocate >= 0 && flag_stack_check == STATIC_BUILTIN_STACK_CHECK)
+     {
+       /* We expect the registers to be saved when probes are used.  */
+       gcc_assert (int_registers_saved);
+-- 
+1.7.0.4
+