[Bug c++/68631] -lstdc++fs switch not working on gcc 5.3.0-RC-20151130

[marqin.pl+gcc at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68631

--- Comment #3 from Hubert Jarosz <marqin.pl+gcc at gmail dot com> ---
I forgot to mention, it was configured with this option:
../configure --prefix=/opt/gcc53 --enable-languages=c,c++

And here is sha sum, so it's from correct tarball:
c3e2b79419024867df0788a91ef67b758f546e51d17861ca123b874e85cb0952c3faad590b4e7d3a8034258c0cd1dae4b33248ba6278d9ec2df61c87dde20187
 gcc-5.3.0-RC-20151130.tar.gz