[Bug target/77881] [5/6 Regression] Non-optimal signed comparison on x86_64 since r146817

[matz at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77881

Michael Matz <matz at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[5/6/7 Regression]          |[5/6 Regression]
                   |Non-optimal signed          |Non-optimal signed
                   |comparison on x86_64 since  |comparison on x86_64 since
                   |r146817                     |r146817

--- Comment #7 from Michael Matz <matz at gcc dot gnu.org> ---
Fixed for gcc 7.  Not planning backports myself , it's a minor code quality
regression only.  But keeping it open in case anyone else wants to.