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[Bug c++/49751] Incorrect optimization related to smallest int64_t value.
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 14 Jul 2011 20:17:35 +0000
- Subject: [Bug c++/49751] Incorrect optimization related to smallest int64_t value.
- Auto-submitted: auto-generated
- References: <bug-49751-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49751
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |INVALID
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-07-14 20:17:23 UTC ---
if (a < 0)
{
a = -a;
}
-INT_MIN invokes undefined behavior as signed integer overflow is undefined.