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re PR bootstrap/49086 (libgomp/task.c:79:1: internal compiler error: Segmentation fault) 

PR bootstrap/49086
	* gimple-fold.c (and_comparisons_1, or_comparisons_1): Return NULL
	for PHI args that are SSA_NAME_IS_DEFAULT_DEF.

From-SVN: r173967
This commit is contained in:
Jakub Jelinek 2011-05-20 20:22:49 +02:00 committed by Jakub Jelinek
parent 54381af734
commit 0e8b84ec02
2 changed files with 10 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2011-05-20 Jakub Jelinek <jakub@redhat.com>
PR bootstrap/49086
* gimple-fold.c (and_comparisons_1, or_comparisons_1): Return NULL
for PHI args that are SSA_NAME_IS_DEFAULT_DEF.
2011-05-20 Joseph Myers <joseph@codesourcery.com>
* Makefile.in: Update comment referring to $(OBJS-common).

6
gcc/gimple-fold.c
View File

@ -2276,7 +2276,8 @@ and_comparisons_1 (enum tree_code code1, tree op1a, tree op1b,
code2, op2a, op2b))
return NULL_TREE;
}
else if (TREE_CODE (arg) == SSA_NAME)
else if (TREE_CODE (arg) == SSA_NAME
&& !SSA_NAME_IS_DEFAULT_DEF (arg))
{
tree temp;
gimple def_stmt = SSA_NAME_DEF_STMT (arg);
@ -2737,7 +2738,8 @@ or_comparisons_1 (enum tree_code code1, tree op1a, tree op1b,
code2, op2a, op2b))
return NULL_TREE;
}
else if (TREE_CODE (arg) == SSA_NAME)
else if (TREE_CODE (arg) == SSA_NAME
&& !SSA_NAME_IS_DEFAULT_DEF (arg))
{
tree temp;
gimple def_stmt = SSA_NAME_DEF_STMT (arg);