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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
This commit is contained in:
Jakub Jelinek 2012-01-05 01:29:13 +01:00 committed by Jakub Jelinek
parent 9b9d0043b9
commit cbd651333d
2 changed files with 7 additions and 2 deletions
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5
gcc/ChangeLog
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@ -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

4
gcc/var-tracking.c
View File

@ -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;