From: Jakub Jelinek <jakub@redhat.com>
Date: Tue, 14 Feb 2012 23:33:23 +0000 (+0100)
Subject: backport: cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
X-Git-Tag: releases/gcc-4.6.3~84
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=59ab5ffffbf341f76e1987de5f6c8915000a6153;p=thirdparty%2Fgcc.git

backport: cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.

	Backported from mainline
	2012-02-13  Jakub Jelinek  <jakub@redhat.com>

	* cselib.c (dump_cselib_val): Don't assume l->setting_insn is
	non-NULL.

From-SVN: r184241
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1ba4443d3b83..48feadfadd0d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -3,6 +3,9 @@
 	Backported from mainline
 	2012-02-13  Jakub Jelinek  <jakub@redhat.com>
 
+	* cselib.c (dump_cselib_val): Don't assume l->setting_insn is
+	non-NULL.
+
 	PR middle-end/52230
 	* omp-low.c (expand_omp_for): If a static schedule without
 	chunk size has NULL region->cont, force fd.chunk_size to be
diff --git a/gcc/cselib.c b/gcc/cselib.c
index c142d679b7a8..a2fdef7dbe3f 100644
--- a/gcc/cselib.c
+++ b/gcc/cselib.c
@@ -2489,8 +2489,11 @@ dump_cselib_val (void **x, void *info)
       fputs (" locs:", out);
       do
 	{
-	  fprintf (out, "\n  from insn %i ",
-		   INSN_UID (l->setting_insn));
+	  if (l->setting_insn)
+	    fprintf (out, "\n  from insn %i ",
+		     INSN_UID (l->setting_insn));
+	  else
+	    fprintf (out, "\n   ");
 	  print_inline_rtx (out, l->loc, 4);
 	}
       while ((l = l->next));