https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63993
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- Isn't this PR 63500 ? That is fixed in 4.9.2, so I don't think you're using 4.9.2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63993
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- Isn't this PR 63500 ? That is fixed in 4.9.2, so I don't think you're using 4.9.2