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[Bug tree-optimization/31522] False overflow warning with phi nodes
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 11 Apr 2007 05:34:31 -0000
- Subject: [Bug tree-optimization/31522] False overflow warning with phi nodes
- References: <bug-31522-6528@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from pinskia at gcc dot gnu dot org 2007-04-11 06:34 -------
It turns out you have to add -Wstrict-overflow to get the warning but this is
still a false warning.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|blocker |normal
Summary|[4.3 Regression] False |False overflow warning with
|overflow warning with phi |phi nodes
|nodes |
Target Milestone|4.3.0 |---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31522