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Change edge_to_cases_cleanup to return true. 

2011-05-13  Nathan Froyd  <froydnj@codesourcery.com>

	PR middle-end/48965
	* tree-cfg.c (edge_to_cases_cleanup): Return true.
	(verify_expr) [CASE_LABEL_EXPR]: Add checking.

From-SVN: r173733
This commit is contained in:
Nathan Froyd 2011-05-13 13:44:04 +00:00 committed by H.J. Lu
parent 3c6cbf7ad1
commit eb9f925985
2 changed files with 15 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2011-05-13 Nathan Froyd <froydnj@codesourcery.com>
PR middle-end/48965
* tree-cfg.c (edge_to_cases_cleanup): Return true.
(verify_expr) [CASE_LABEL_EXPR]: Add checking.
2011-05-13 Kai Tietz <ktietz@redhat.com>
* gimplify.c (gimplify_expr): Make sure operand is boolified.

10
gcc/tree-cfg.c
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@ -843,7 +843,7 @@ edge_to_cases_cleanup (const void *key ATTRIBUTE_UNUSED, void **value,
}
*value = NULL;
return false;
return true;
}
/* Start recording information mapping edges to case labels. */
@ -2830,6 +2830,14 @@ verify_expr (tree *tp, int *walk_subtrees, void *data ATTRIBUTE_UNUSED)
*walk_subtrees = 0;
break;
case CASE_LABEL_EXPR:
if (CASE_CHAIN (t))
{
error ("invalid CASE_CHAIN");
return t;
}
break;
default:
break;
}