https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67403
--- Comment #2 from Ryan Gonzalez <kirbyfan64sos at gmail dot com> --- (In reply to Andrew Pinski from comment #1) > Iirc regex was not implemented in 4.8.x. Try 4.9 and above. ...but then why are the functions present? I would've preferred a compile-time error if that is the case.
