[Bug bootstrap/57266] [4.9 regression] comparison between signed and unsigned integer expressions in fold_binary_loc breaks m68k bootstrap

[glisse at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57266

Marc Glisse <glisse at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Marc Glisse <glisse at gcc dot gnu.org> ---
r198880 | glisse | 2013-05-14 14:06:27 +0200 (Tue, 14 May 2013) | 8 lines

2013-05-14  Marc Glisse  <marc.gli...@inria.fr>

        PR bootstrap/57266
        * fold-const.c (fold_binary_loc) <shift>: Use an unsigned
        variable for the shift amount. Check that we shift by non-negative
        amounts.