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re PR middle-end/55481 (-O2 generates a wrong-code infinite loop in C++Benchmark's simple_types_constant_folding int8 xor test)

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2013-03-01  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55481
	* gcc.dg/torture/pr56488.c: New testcase.

From-SVN: r196377
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Richard Biener 2013-03-01 12:29:39 +00:00 committed by Richard Biener
parent 76c1a7ec3d
commit d3e1a77949
2 changed files with 36 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2013-03-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/55481
* gcc.dg/torture/pr56488.c: New testcase.
2013-02-28 Konstantin Serebryany <konstantin.s.serebryany@gmail.com>
Jakub Jelinek <jakub@redhat.com>

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gcc/testsuite/gcc.dg/torture/pr56488.c Normal file
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/* { dg-do run } */
int a, c, d = 1;
struct S { int s; } b, f;
short e;
static void
foo (int x)
{
int g[] = { };
for (e = 0; e != 1; e = e + 5)
{
int *h[1] = { &g[0] };
if (!x)
return;
f = b;
}
}
int
main ()
{
int i, j;
for (i = 0; i < 6; i++)
for (j = 8; j; j--)
a = 0;
foo (d);
while (c)
;
return 0;
}