From b1dc91969f9bb0c2a3a4336f5e9a2f57aabb9f78 Mon Sep 17 00:00:00 2001 From: Josh Cartwright Date: Wed, 1 May 2013 16:07:12 -0500 Subject: 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 Signed-off-by: Josh Cartwright Signed-off-by: Richard Purdie --- meta/recipes-devtools/gcc/gcc-4.7.inc | 3 +- .../gcc/gcc-4.7/avoid-oob-array-access.patch | 45 ++++++++++++++++++++++ 2 files changed, 47 insertions(+), 1 deletion(-) create mode 100644 meta/recipes-devtools/gcc/gcc-4.7/avoid-oob-array-access.patch (limited to 'meta/recipes-devtools') diff --git a/meta/recipes-devtools/gcc/gcc-4.7.inc b/meta/recipes-devtools/gcc/gcc-4.7.inc index a05cac99cd..81c8f070ac 100644 --- a/meta/recipes-devtools/gcc/gcc-4.7.inc +++ b/meta/recipes-devtools/gcc/gcc-4.7.inc @@ -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" diff --git a/meta/recipes-devtools/gcc/gcc-4.7/avoid-oob-array-access.patch b/meta/recipes-devtools/gcc/gcc-4.7/avoid-oob-array-access.patch new file mode 100644 index 0000000000..4ba707d0b2 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.7/avoid-oob-array-access.patch @@ -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 +Date: Fri, 21 Sep 2012 10:08:35 +0000 +Subject: [PATCH] 2012-09-21 Richard Guenther + + PR middle-end/54638 + Backport from mainline + 2012-04-19 Richard Guenther + + * 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 + -- cgit 1.2.3-korg