[Bug libstdc++/81256] basic_filebuf::close doesn't propagate exceptions

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81256

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Mon May 14 18:57:45 2018
New Revision: 260236

URL: https://gcc.gnu.org/viewcvs?rev=260236&root=gcc&view=rev
Log:
PR libstdc++/81256 fix exception handling in basic_filebuf::close

        PR libstdc++/81256
        * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
        exceptions from _M_terminate_output().
        * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
        exceptions from close().
        * testsuite/27_io/basic_filebuf/close/81256.cc: New.

Added:
    trunk/libstdc++-v3/testsuite/27_io/basic_filebuf/close/81256.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/fstream.tcc
    trunk/libstdc++-v3/include/std/fstream