r256243 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Thu Jan  4 13:46:22 2018
New Revision: 256243

URL: https://gcc.gnu.org/viewcvs?rev=256243&root=gcc&view=rev
Log:
Avoid redundant calls to filesystem::status_known

	* include/bits/fs_ops.h (exists(const path&, error_code&))): Only
	check status_known once.
	* include/experimental/bits/fs_ops.h: Likewise.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/fs_ops.h
    trunk/libstdc++-v3/include/experimental/bits/fs_ops.h