r256286 - in /branches/gcc-7-branch/libstdc++-v...

[redi@gcc.gnu.org]

Author: redi
Date: Fri Jan  5 21:27:20 2018
New Revision: 256286

URL: https://gcc.gnu.org/viewcvs?rev=256286&root=gcc&view=rev
Log:
PR libstdc++/79283 fix filesystem::read_symlink for /proc

Backport from mainline
2017-10-25  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79283
	* src/filesystem/ops.cc (read_symlink): Handle st_size being zero.

Modified:
    branches/gcc-7-branch/libstdc++-v3/ChangeLog
    branches/gcc-7-branch/libstdc++-v3/src/filesystem/ops.cc