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re PR middle-end/56288 (always true conditional expression in verify_ssa_name)

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2013-02-12  Richard Biener  <rguenther@suse.de>

	PR middle-end/56288
	* tree-ssa.c (verify_ssa_name): Fix check, move
	SSA_NAME_IN_FREE_LIST check up.

From-SVN: r195973
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Richard Biener 2013-02-12 11:18:05 +00:00 • committed by Richard Biener
parent 6da2688931
commit a011aa391b
2 changed files with 13 additions and 7 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2013-02-12 Richard Biener <rguenther@suse.de>
PR middle-end/56288
* tree-ssa.c (verify_ssa_name): Fix check, move
SSA_NAME_IN_FREE_LIST check up.
2013-02-12 Jakub Jelinek <jakub@redhat.com>
Steven Bosscher <steven@gcc.gnu.org>

14
gcc/tree-ssa.c
View file

@ -626,19 +626,19 @@ verify_ssa_name (tree ssa_name, bool is_virtual)
return true;
}
if (SSA_NAME_VAR (ssa_name) != NULL_TREE
&& TREE_TYPE (ssa_name) != TREE_TYPE (ssa_name))
{
error ("type mismatch between an SSA_NAME and its symbol");
return true;
}
if (SSA_NAME_IN_FREE_LIST (ssa_name))
{
error ("found an SSA_NAME that had been released into the free pool");
return true;
}
if (SSA_NAME_VAR (ssa_name) != NULL_TREE
&& TREE_TYPE (ssa_name) != TREE_TYPE (SSA_NAME_VAR (ssa_name)))
{
error ("type mismatch between an SSA_NAME and its symbol");
return true;
}
if (is_virtual && !virtual_operand_p (ssa_name))
{
error ("found a virtual definition for a GIMPLE register");