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gcc-4.7: fix gcc ICE when building with gcc-4.8 

Backport fix for internal compiler error when building gcc-4.7.2 with a
gcc-4.8.0 host gcc.

See upstream bug here: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56308

(From OE-Core rev: b1dc91969f9bb0c2a3a4336f5e9a2f57aabb9f78)

Signed-off-by: Josh Cartwright <josh.cartwright@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Josh Cartwright 2013-05-01 16:07:12 -05:00 committed by Richard Purdie
parent 53276bc724
commit 3681c89432
2 changed files with 47 additions and 1 deletions
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3
meta/recipes-devtools/gcc/gcc-4.7.inc
View File

@ -1,6 +1,6 @@
require gcc-common.inc
PR = "r19"
PR = "r20"
# Third digit in PV should be incremented after a minor release
# happens from this branch on gcc e.g. currently its 4.7.1
@ -77,6 +77,7 @@ SRC_URI = "${GNU_MIRROR}/gcc/gcc-${PV}/gcc-${PV}.tar.bz2 \
file://use-ml-conf-files-from-B.patch \
file://wcast-qual-PR55383.patch \
file://disable-texinfo-5.patch \
file://avoid-oob-array-access.patch \
"
SRC_URI[md5sum] = "cc308a0891e778cfda7a151ab8a6e762"
SRC_URI[sha256sum] = "8a9283d7010fb9fe5ece3ca507e0af5c19412626384f8a5e9434251ae100b084"

45
meta/recipes-devtools/gcc/gcc-4.7/avoid-oob-array-access.patch Normal file
View File

@ -0,0 +1,45 @@
Upstream-Status: Backport
See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56308
From 1e37e371d2cca3549b71a247bf79778aa1a9e1c4 Mon Sep 17 00:00:00 2001
From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 21 Sep 2012 10:08:35 +0000
Subject: [PATCH] 2012-09-21 Richard Guenther <rguenther@suse.de>
PR middle-end/54638
Backport from mainline
2012-04-19 Richard Guenther <rguenther@suse.de>
* ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
array access.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191605 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 9 +++++++++
gcc/ira-int.h | 9 +++++++--
2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/gcc/ira-int.h b/gcc/ira-int.h
index 9faabb5..771a368 100644
--- a/gcc/ira-int.h
+++ b/gcc/ira-int.h
@@ -1138,8 +1138,13 @@ static inline bool
ira_allocno_object_iter_cond (ira_allocno_object_iterator *i, ira_allocno_t a,
ira_object_t *o)
{
- *o = ALLOCNO_OBJECT (a, i->n);
- return i->n++ < ALLOCNO_NUM_OBJECTS (a);
+ int n = i->n++;
+ if (n < ALLOCNO_NUM_OBJECTS (a))
+ {
+ *o = ALLOCNO_OBJECT (a, n);
+ return true;
+ }
+ return false;
}
/* Loop over all objects associated with allocno A. In each
--
1.8.2.2