[Bug libstdc++/79283] read_symlink fails with /proc symlinks

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79283

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|---                         |6.5

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed for 6.5 and 7.3