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Add a testcase for PR middle-end/47383. 

2011-08-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/47383
	* gcc.dg/torture/pr47383.c: Likewise.

From-SVN: r177277
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H.J. Lu 2011-08-03 14:44:54 +00:00 committed by H.J. Lu
parent deb8dacccf
commit ac88396b5e
2 changed files with 35 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2011-08-03 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/47383
* gcc.dg/torture/pr47383.c: Likewise.
2011-08-03 Arnaud Charlet <charlet@adacore.com>
* gnat.dg/specs/debug1.ads: Add missing -margs switch.

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gcc/testsuite/gcc.dg/torture/pr47383.c Normal file
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/* { dg-do run } */
static int heap[2*(256 +1+29)+1];
static int heap_len;
static int heap_max;
void
__attribute__ ((noinline))
foo (int elems)
{
int n, m;
int max_code = -1;
int node = elems;
heap_len = 0, heap_max = (2*(256 +1+29)+1);
for (n = 0; n < elems; n++)
heap[++heap_len] = max_code = n;
do {
n = heap[1];
heap[1] = heap[heap_len--];
m = heap[1];
heap[--heap_max] = n;
heap[--heap_max] = m;
} while (heap_len >= 2);
}
int
main ()
{
foo (286);
return 0;
}