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[Bug tree-optimization/24141] [4.1 regression] VRP ICE in compare_name_with_value, at tree-vrp.c:2965
- From: "belyshev at depni dot sinp dot msu dot ru" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Sep 2005 11:55:41 -0000
- Subject: [Bug tree-optimization/24141] [4.1 regression] VRP ICE in compare_name_with_value, at tree-vrp.c:2965
- References: <20050930093656.24141.rguenth@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From belyshev at depni dot sinp dot msu dot ru 2005-09-30 11:55 -------
// testcase where we produce wrong code even with checking enabled
// (taken from bug 24142)
void abort (void);
int f (int a, int b)
{
if (a == 1)
a = 0;
if (b == 0)
a = 1;
if (a != 0)
return 0;
return 1;
}
int main (void)
{
if (f (1, 1) != 1)
abort ();
return 0;
}
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24141