[Bug libstdc++/58265] [lwg/2063] std::string move assignment should be noexcept

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58265

--- Comment #14 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Thu Jul  5 17:03:05 2018
New Revision: 262447

URL: https://gcc.gnu.org/viewcvs?rev=262447&root=gcc&view=rev
Log:
PR libstdc++/58265 add noexcept to basic_string::assign(basic_string&&)

        PR libstdc++/58265
        * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
        (basic_string::assign(basic_string&&)): Add conditional noexcept
        depending on the allocator's is_always_equal property (LWG 2063).
        * testsuite/21_strings/basic_string/modifiers/assign/char/
        move_assign.cc: Check for non-throwing exception specification.
        * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
        move_assign.cc: Likewise.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/basic_string.h
   
trunk/libstdc++-v3/testsuite/21_strings/basic_string/modifiers/assign/char/move_assign.cc
   
trunk/libstdc++-v3/testsuite/21_strings/basic_string/modifiers/assign/wchar_t/move_assign.cc