https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60685
--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Dave McMordie from comment #6) > Any sense of a minimal patch to fix this issue? At a wild guess, I'd say it might be one of r209907 or r216750, which both look quite involved and probably not possible to backport to a gcc-4.9 tree.
