diff -r 000000000000 -r f0ae157444dc patches/gcc/4.6.1/000-gcc-bug-54369.patch
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/patches/gcc/4.6.1/000-gcc-bug-54369.patch	Wed Sep 19 10:35:32 2012 +0200
@@ -0,0 +1,45 @@
+Author: ebotcazou
+Date: Sun Sep  2 10:37:49 2012
+New Revision: 190860
+
+URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190860
+Log:
+    PR rtl-optimization/54369
+    * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
+    calling dbr_schedule.
+    * config/sparc/sparc.c (sparc_reorg): Likewise.
+
+Modified:
+    branches/gcc-4_6-branch/gcc/ChangeLog
+    branches/gcc-4_6-branch/gcc/config/mips/mips.c
+    branches/gcc-4_6-branch/gcc/config/sparc/sparc.c
+---
+--- gcc-4_6-branch/gcc/config/mips/mips.c	2012/09/02 10:36:54	190859
++++ gcc-4_6-branch/gcc/config/mips/mips.c	2012/09/02 10:37:49	190860
+@@ -15083,7 +15083,10 @@
+     }
+ 
+   if (optimize > 0 && flag_delayed_branch)
+-    dbr_schedule (get_insns ());
++    {
++      cleanup_barriers ();
++      dbr_schedule (get_insns ());
++    }
+   mips_reorg_process_insns ();
+   if (!TARGET_MIPS16
+       && TARGET_EXPLICIT_RELOCS
+--- gcc-4_6-branch/gcc/config/sparc/sparc.c	2012/09/02 10:36:54	190859
++++ gcc-4_6-branch/gcc/config/sparc/sparc.c	2012/09/02 10:37:49	190860
+@@ -9456,7 +9456,10 @@
+   /* We need to have the (essentially) final form of the insn stream in order
+      to properly detect the various hazards.  Run delay slot scheduling.  */
+   if (optimize > 0 && flag_delayed_branch)
+-    dbr_schedule (get_insns ());
++    {
++      cleanup_barriers ();
++      dbr_schedule (get_insns ());
++    }
+ 
+   /* Now look for specific patterns in the insn stream.  */
+   for (insn = get_insns (); insn; insn = next)
+