[Bug c++/33340] ICE: SSA corruption with -O

Fri Sep 7 22:33:00 GMT 2007


------- Comment #1 from rguenth at gcc dot gnu dot org  2007-09-07 22:33 -------
Confirmed.  FRE is guilty:

Replaced D.1654 with ap$p_12(ab) in D.1669_9 = D.1654;

from:

SCC consists of: D.1654_35
Value numbering D.1654_35 stmt = D.1654 = tmp_4;
No store match
Value numbering store D.1654 to tmp_4
Setting value number of D.1654_35 to D.1654_35
SCC consists of: D.1669_9
Value numbering D.1669_9 stmt = D.1669_9 = D.1654;
RHS D.1654 simplified to ap$p_12(ab) has constants 0


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2007-09-07 22:33:31
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33340