From bd0ba05d4c778a42c0199f7868c36975431edcb2 Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Sat, 11 Feb 2012 09:27:30 +0100
Subject: re PR debug/52132 (ICE in loc_descriptor)

	PR debug/52132
	* reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
	get_true_reg.

	* gcc.dg/pr52132.c: New test.

From-SVN: r184126
---
 gcc/reg-stack.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

(limited to 'gcc/reg-stack.c')

diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c
index da7fe729be9..ce29fdcaf83 100644
--- a/gcc/reg-stack.c
+++ b/gcc/reg-stack.c
@@ -1,6 +1,6 @@
 /* Register to Stack convert for GNU compiler.
    Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010
+   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010, 2011, 2012
    Free Software Foundation, Inc.
 
    This file is part of GCC.
@@ -1323,14 +1323,10 @@ compare_for_stack_reg (rtx insn, stack regstack, rtx pat_src)
 static int
 subst_stack_regs_in_debug_insn (rtx *loc, void *data)
 {
-  rtx *tloc = get_true_reg (loc);
   stack regstack = (stack)data;
   int hard_regno;
 
-  if (!STACK_REG_P (*tloc))
-    return 0;
-
-  if (tloc != loc)
+  if (!STACK_REG_P (*loc))
     return 0;
 
   hard_regno = get_hard_regnum (regstack, *loc);
-- 
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