[Bug tree-optimization/72824] [5/6/7 Regression] Signed floating point zero semantics broken at optimization level -O3 (tree-loop-distribute-patterns)

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72824

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |4.7.3
            Summary|Signed floating point zero  |[5/6/7 Regression] Signed
                   |semantics broken at         |floating point zero
                   |optimization level -O3      |semantics broken at
                   |(tree-loop-distribute-patte |optimization level -O3
                   |rns)                        |(tree-loop-distribute-patte
                   |                            |rns)
      Known to fail|                            |5.4.0, 6.1.0, 7.0

--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Actually gcc-4.7 was fine.