[Bug middle-end/124820] [14/15/16 Regression] fma gives incorrect result w.r.t. sign of zero

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124820

Jeffrey A. Law <law at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[14/15/16/17 Regression]    |[14/15/16 Regression] fma
                   |fma gives incorrect result  |gives incorrect result
                   |w.r.t. sign of zero         |w.r.t. sign of zero

--- Comment #6 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Fixed by Merlin's patch on the trunk.  Still active on the release branches, so
keeping open for potential backport.