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

[rguenth at gcc dot gnu.org]

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

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
You may want to use -Wl,--verbose to check which libstdc++fs the linker ends up
using.