[Bug rtl-optimization/68250] [6 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu (in 64-bit mode)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68250

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-11-09
   Target Milestone|---                         |6.0
            Summary|wrong code at -O2 and -O3   |[6 Regression] wrong code
                   |on x86_64-linux-gnu (in     |at -O2 and -O3 on
                   |64-bit mode)                |x86_64-linux-gnu (in 64-bit
                   |                            |mode)
     Ever confirmed|0                           |1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Disabling VRP helps.  Confirmed.