[Bug libstdc++/64651] std::rethrow_exception not found by ADL

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64651

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Wed Nov 11 10:08:23 2015
New Revision: 230147

URL: https://gcc.gnu.org/viewcvs?rev=230147&root=gcc&view=rev
Log:
        PR libstdc++/64651
        * libsupc++/exception_ptr.h (rethrow_exception): Add using-declaration
        to __exception_ptr namespace.
        * testsuite/18_support/exception_ptr/rethrow_exception.cc: Test ADL.
        Remove unnecessary test variables.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/libsupc++/exception_ptr.h
    trunk/libstdc++-v3/testsuite/18_support/exception_ptr/rethrow_exception.cc