[Bug libstdc++/68863] Regular expressions: Backreferences don't work in negative lookahead

[timshen at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68863

Tim Shen <timshen at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #5 from Tim Shen <timshen at gcc dot gnu.org> ---
Fixed in trunk, and backported to gcc 5 and gcc 4.9.