[Bug libstdc++/59768] [DR 2219] std::thread constructor not handling reference_wrapper correctly

redi at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Dec 11 21:46:00 GMT 2015


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59768

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Fri Dec 11 21:45:51 2015
New Revision: 231574

URL: https://gcc.gnu.org/viewcvs?rev=231574&root=gcc&view=rev
Log:
Fix std::invoke support for reference_wrappers

        PR libstdc++/59768
        * include/std/functional (_Unwrap, __invfwd): Define.
        (__invoke_impl): Remove reference_wrapper overloads and use __invfwd.
        * include/std/type_traits (__result_of_memobj, __result_of_memfun):
        Add partial specializations for const reference_wrappers and simplify.
        * testsuite/20_util/bind/ref_neg.cc: Use dg-excess-errors.
        * testsuite/20_util/function_objects/invoke/59768.cc: New.

Added:
    trunk/libstdc++-v3/testsuite/20_util/function_objects/invoke/
    trunk/libstdc++-v3/testsuite/20_util/function_objects/invoke/59768.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/functional
    trunk/libstdc++-v3/include/std/type_traits
    trunk/libstdc++-v3/testsuite/20_util/bind/ref_neg.cc


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