http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60766
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |wrong-code
Target| |x86_64-*-*-*
Known to work| |4.4.5
Target Milestone|--- |4.8.3
Summary|Wrong optimization with -O2 |[4.8/4.9 Regression] Wrong
| |optimization with -O2
Known to fail| |4.9.0
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Looks like IV-opt is creating some overflows that were not there in the
original code.
Fails with:
g++ (GCC) 4.9.0 20131026 (experimental) [trunk revision 204095]
I have not updated my compiler since then.
