r250993 - in /trunk/libstdc++-v3: ChangeLog con...

[redi@gcc.gnu.org]

Author: redi
Date: Wed Aug  9 17:52:10 2017
New Revision: 250993

URL: https://gcc.gnu.org/viewcvs?rev=250993&root=gcc&view=rev
Log:
PR libstdc++/81751 don't call fflush(NULL)

	PR libstdc++/79820
	PR libstdc++/81751
	* config/io/basic_file_stdio.cc (sys_open(FILE*, ios_base::openmode)):
	Call fflush on the stream instead of calling sync() while _M_cfile is
	null. Restore original value of errno.
	* testsuite/ext/stdio_filebuf/char/79820.cc: New.
	* testsuite/ext/stdio_filebuf/char/81751.cc: New.

Added:
    trunk/libstdc++-v3/testsuite/ext/stdio_filebuf/char/79820.cc
    trunk/libstdc++-v3/testsuite/ext/stdio_filebuf/char/81751.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/config/io/basic_file_stdio.cc