[Bug tree-optimization/127876] [14/15/16/17 Regression] Wrong code at -O3: conditional reduction to -0.0 returns +0.0 (CONST_COND_REDUCTION uses MAX_EXPR)

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127876

Drea Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |6.4.0
            Summary|Wrong code at -O3:          |[14/15/16/17 Regression]
                   |conditional reduction to    |Wrong code at -O3:
                   |-0.0 returns +0.0           |conditional reduction to
                   |(CONST_COND_REDUCTION uses  |-0.0 returns +0.0
                   |MAX_EXPR)                   |(CONST_COND_REDUCTION uses
                   |                            |MAX_EXPR)
   Target Milestone|---                         |14.5