This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug optimization/14669] [3.4/3.5 Regression] Wrong code with -O for enum values expression E4 <= t && t <= E6
- From: "kazu at cs dot umass dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Mar 2004 22:21:51 -0000
- Subject: [Bug optimization/14669] [3.4/3.5 Regression] Wrong code with -O for enum values expression E4 <= t && t <= E6
- References: <20040321141018.14669.wanderer@rsu.ru>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From kazu at cs dot umass dot edu 2004-03-21 22:21 -------
Reduced to:
extern "C" {
void abort (void) __attribute__((__noreturn__));
void exit (int) __attribute__((__noreturn__));
}
enum ActionType { EE =-1, E0 = 0, E1, E2 };
int
main (void)
{
ActionType t = E0;
if (E1 <= t && t <= E2)
abort ();
exit (0);
}
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14669