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re PR bootstrap/54876 (LTO bootstrap broken, streaming garbage-collected BLOCK) 

2012-10-10  Richard Biener  <rguenther@suse.de>

	PR middle-end/54876
	* ipa-prop.c (prune_expression_for_jf_1): New function.
	(prune_expression_for_jf): Clear EXPR_LOCATION for all
	sub-expressions as well.

From-SVN: r192293
This commit is contained in:
Richard Biener 2012-10-10 08:48:47 +00:00 committed by Richard Biener
parent b46dbc6cc8
commit 176ae843e6
2 changed files with 20 additions and 1 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2012-10-10 Richard Biener <rguenther@suse.de>
PR middle-end/54876
* ipa-prop.c (prune_expression_for_jf_1): New function.
(prune_expression_for_jf): Clear EXPR_LOCATION for all
sub-expressions as well.
2012-10-10 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> 2012-10-10 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* config.gcc: Enable zEC12 for with-arch and with-tune * config.gcc: Enable zEC12 for with-arch and with-tune

14
gcc/ipa-prop.c
View File

@ -287,6 +287,18 @@ ipa_print_all_jump_functions (FILE *f)
} }
} }
/* Worker for prune_expression_for_jf. */
static tree
prune_expression_for_jf_1 (tree *tp, int *walk_subtrees, void *)
{
if (EXPR_P (*tp))
SET_EXPR_LOCATION (*tp, UNKNOWN_LOCATION);
else
*walk_subtrees = 0;
return NULL_TREE;
}
/* Return the expression tree EXPR unshared and with location stripped off. */ /* Return the expression tree EXPR unshared and with location stripped off. */
static tree static tree
@ -295,7 +307,7 @@ prune_expression_for_jf (tree exp)
if (EXPR_P (exp)) if (EXPR_P (exp))
{ {
exp = unshare_expr (exp); exp = unshare_expr (exp);
SET_EXPR_LOCATION (exp, UNKNOWN_LOCATION); walk_tree (&exp, prune_expression_for_jf_1, NULL, NULL);
} }
return exp; return exp;
} }