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authorJakub Jelinek <jakub@redhat.com>2012-01-05 01:29:13 +0100
committerJakub Jelinek <jakub@gcc.gnu.org>2012-01-05 01:29:13 +0100
commitcbd651333df334be66eb2160e22cfeb84377fba7 (patch)
tree7ed483d2a4a54a89e76313cefcc761266b5e3d4b /gcc
parent9b9d0043b9f6b6250897c2bc8e220d15cdb6d04b (diff)
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re PR debug/51746 (Segfault in cselib_preserved_value_p)
PR debug/51746 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL. From-SVN: r182897
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/var-tracking.c4
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3d9bc63..a30063a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2012-01-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/51746
+ * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
+
2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
PR tree-optimization/51624
diff --git a/gcc/var-tracking.c b/gcc/var-tracking.c
index 27bff38..557a2ca 100644
--- a/gcc/var-tracking.c
+++ b/gcc/var-tracking.c
@@ -1,5 +1,5 @@
/* Variable tracking routines for the GNU compiler.
- Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
+ Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011, 2012
Free Software Foundation, Inc.
This file is part of GCC.
@@ -5519,7 +5519,7 @@ add_stores (rtx loc, const_rtx expr, void *cuip)
gcc_assert (oval != v);
gcc_assert (REG_P (oloc) || MEM_P (oloc));
- if (!cselib_preserved_value_p (oval))
+ if (oval && !cselib_preserved_value_p (oval))
{
micro_operation moa;