valgrind: workaround for segmentation fault on PowerPC

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/valgrind/valgrind-3.6.1-workaround-SIGSEGV-on-PPC.patch

@@ -0,0 +1,28 @@
+From db894abcaa12555f60880a15840010f81d354806 Mon Sep 17 00:00:00 2001
+From: Pierre Habouzit <madcoder@debian.org>
+Date: Tue, 10 May 2011 23:11:45 +0200
+Subject: [PATCH] workaround SIGSEGV on PPC.
+
+Signed-off-by: Pierre Habouzit <madcoder@debian.org>
+---
+ coregrind/m_machine.c |    4 ++++
+ 1 files changed, 4 insertions(+), 0 deletions(-)
+
+diff --git a/coregrind/m_machine.c b/coregrind/m_machine.c
+index 8dc3e17..7921502 100644
+--- a/coregrind/m_machine.c
++++ b/coregrind/m_machine.c
+@@ -28,6 +28,10 @@
+    The GNU General Public License is contained in the file COPYING.
+ */
+ 
++#ifdef __powerpc__
++#  pragma GCC optimize ("-O0")
++#endif
++
+ #include "pub_core_basics.h"
+ #include "pub_core_vki.h"
+ #include "pub_core_threadstate.h"
+-- 
+1.7.5.1.290.g2095dc
+