[Bug libstdc++/60637] --fast-math breaks std::signbit function

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60637

--- Comment #11 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Mon Jan 18 17:15:42 2016
New Revision: 232534

URL: https://gcc.gnu.org/viewcvs?rev=232534&root=gcc&view=rev
Log:
Add test for PR 60637

        PR libstdc++/60637
        * testsuite/26_numerics/headers/cmath/60637.cc: Add test.

Added:
    trunk/libstdc++-v3/testsuite/26_numerics/headers/cmath/60637.cc
Modified:
    trunk/libstdc++-v3/ChangeLog