[Bug libstdc++/36742] [4.2 Regression] g++ -O2 produces wrong code

[rguenth at gcc dot gnu dot org]

------- Comment #3 from rguenth at gcc dot gnu dot org  2008-07-06 13:40 -------
Confirmed.  Works with gcc 4.3.  Aliasing problem, -O2 -fno-strict-aliasing
works.
So eventually a libstdc++ issue?


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
          Component|c++                         |libstdc++
     Ever Confirmed|0                           |1
           Keywords|                            |alias, wrong-code
      Known to fail|4.2.2                       |4.2.2 4.2.4
      Known to work|4.1.2 4.0.2 4.0.1 3.4.6     |4.1.2 4.0.2 4.0.1 3.4.6
                   |                            |4.3.0
   Last reconfirmed|0000-00-00 00:00:00         |2008-07-06 13:40:43
               date|                            |
            Summary|g++ -O2 produces wrong code |[4.2 Regression] g++ -O2
                   |                            |produces wrong code
   Target Milestone|---                         |4.2.5


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36742