[Bug rtl-optimization/55950] Invalid sqrt constant propagation with -frounding-mode

[jsm28 at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55950

Joseph S. Myers <jsm28 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|---                         |4.9.0

--- Comment #3 from Joseph S. Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 4.9 by removing this optimization, in the expectation that any
important cases of sqrt constant folding are handled at the GIMPLE level which
has proper checks for this.