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re PR tree-optimization/57864 (ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862)

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2014-05-07  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57864
	* gcc.dg/torture/pr57864.c: New testcase.

From-SVN: r210142
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Richard Biener 2014-05-07 08:04:15 +00:00 • committed by Richard Biener
parent faeb5f9116
commit 9c13483b14
2 changed files with 42 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2014-05-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/57864
* gcc.dg/torture/pr57864.c: New testcase.
2014-05-06 Jerry DeLisle <jvdelisle@gcc.gnu>
PR libfortran/61049

37
gcc/testsuite/gcc.dg/torture/pr57864.c Normal file
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/* { dg-do compile } */
union U {
double val;
union U *ptr;
};
union U *d;
double a;
int b;
int c;
static void fn1(union U *p1, int p2, _Bool p3)
{
union U *e;
if (p2 == 0)
a = ((union U*)((unsigned long)p1 & ~1))->val;
if (b) {
e = p1;
} else if (c) {
e = ((union U*)((unsigned long)p1 & ~1))->ptr;
d = e;
} else {
e = 0;
d = ((union U*)0)->ptr;
}
fn1 (e, 0, 0);
fn1 (0, 0, p3);
}
void fn2 (void)
{
fn1 (0, 0, 0);
}