[Bug c++/83226] [7/8 Regression] std::map with reference T breaks in C++17 mode

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83226

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Thu Nov 30 13:45:37 2017
New Revision: 255271

URL: https://gcc.gnu.org/viewcvs?rev=255271&root=gcc&view=rev
Log:
PR libstdc++/83226 avoid forming pointer-to-reference type

        PR libstdc++/83226
        * include/bits/node_handle.h (_Node_handle::__pointer): Avoid forming
        pointer-to-reference types.
        * testsuite/23_containers/map/modifiers/insert/83226.cc: New test.

Added:
    trunk/libstdc++-v3/testsuite/23_containers/map/modifiers/insert/83226.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/node_handle.h