[Bug libstdc++/85768] [9 Regression] FreeBSD bootstrap fails due to undefined reference to 'backtrace'

[fdumont at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85768

--- Comment #5 from François Dumont <fdumont at gcc dot gnu.org> ---
Author: fdumont
Date: Fri May 25 16:40:55 2018
New Revision: 260761

URL: https://gcc.gnu.org/viewcvs?rev=260761&root=gcc&view=rev
Log:
2018-05-25  François Dumont  <fdum...@gcc.gnu.org>

        PR libstdc++/85768
        * src/c++11/debug.cc: Remove backtrace usage.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/src/c++11/debug.cc