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re PR tree-optimization/23777 (Does not remove all references to var) 

2007-03-05  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/23777
	* gcc.dg/tree-ssa/pr23777.c: New testcase.

From-SVN: r122558
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Richard Guenther 2007-03-05 16:55:23 +00:00 committed by Richard Biener
parent a29114a3be
commit 155d0548f1
2 changed files with 24 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2007-03-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/23777
* gcc.dg/tree-ssa/pr23777.c: New testcase.
2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR other/30465

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gcc/testsuite/gcc.dg/tree-ssa/pr23777.c Normal file
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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
extern void f(char *const *);
void g (char **o)
{
static const char *const multilib_exclusions_raw[] = { 0 };
const char *const *q = multilib_exclusions_raw;
f (o);
while (*q++)
f (o);
}
/* The last DCE pass is able to remove the load from
multilib_exclusions_raw. */
/* { dg-final { scan-tree-dump-not "multilib_exclusions_raw" "optimized" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */