[Bug libstdc++/81076] __byte_operand is not SFINAE-friendly

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81076

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Thu Jan 25 15:24:39 2018
New Revision: 257050

URL: https://gcc.gnu.org/viewcvs?rev=257050&root=gcc&view=rev
Log:
PR libstdc++/81076 make __byte_operand SFINAE-friendly

        PR libstdc++/81076
        * include/c_global/cstddef (__byte_operand): Define primary template.
        * testsuite/18_support/byte/81076.cc: New test.

Added:
    trunk/libstdc++-v3/testsuite/18_support/byte/81076.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/c_global/cstddef