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re PR tree-optimization/55964 (Segmentation fault with -O -ftree-loop-distribution -funswitch-loops)

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2013-04-03  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55964
	* gcc.dg/torture/pr55964-2.c: New testcase.

From-SVN: r197403
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Richard Biener 2013-04-03 10:36:49 +00:00 committed by Richard Biener
parent 47309fc03c
commit a5cde06792
2 changed files with 26 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2013-04-03 Richard Biener <rguenther@suse.de>
PR tree-optimization/55964
* gcc.dg/torture/pr55964-2.c: New testcase.
2013-04-03 Richard Biener <rguenther@suse.de>
PR tree-optimization/56501

21
gcc/testsuite/gcc.dg/torture/pr55964-2.c Normal file
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/* { dg-do compile } */
/* { dg-options "-ftree-loop-distribution -funswitch-loops" } */
struct test_struct {
int a, b[10], c[10], d[10];
};
extern struct test_struct* new_struct;
void testfunc(struct test_struct* old_struct)
{
int i;
for (i = 0; i < 10; ++i)
{
new_struct->b[i] = old_struct ? old_struct->b[i] : -1;
new_struct->c[i] = old_struct ? old_struct->c[i] : 0;
new_struct->d[i] = old_struct ? old_struct->d[i] : 0;
}
if (old_struct)
old_struct->a++;
}