re PR debug/51471 (gcc.c-torture/execute/20040811-1.c and…

re PR debug/51471 (gcc.c-torture/execute/20040811-1.c and gcc.c-torture/execute/vla-dealloc-1.c  fails at -O3 -g on mips64-linux-gnu)

2012-01-09  Tom de Vries  <tom@codesourcery.com>
	    Andrew Pinski  <apinski@cavium.com>

	PR debug/51471
	* reorg.c (fill_slots_from_thread): Don't speculate frame-related insns.

Co-Authored-By: Andrew Pinski <apinski@cavium.com>

From-SVN: r183038

gcc/ChangeLog

+2012-01-09  Tom de Vries  <tom@codesourcery.com>
+	    Andrew Pinski  <apinski@cavium.com>
+
+	* reorg.c (fill_slots_from_thread): Don't speculate frame-related insns.
+
 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
 
 	* sched-int.h (bb_note): Move to...

gcc/reorg.c

@@ -2716,7 +2716,8 @@ fill_slots_from_thread (rtx insn, rtx condition, rtx thread,
 	  if (!must_annul
 	      && (condition == const_true_rtx
 	          || (! insn_sets_resource_p (trial, &opposite_needed, true)
-		      && ! may_trap_or_fault_p (pat))))
+		      && ! may_trap_or_fault_p (pat)
+		      && ! RTX_FRAME_RELATED_P (trial))))
 	    {
 	      old_trial = trial;
 	      trial = try_split (pat, trial, 0);