https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86672
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |WONTFIX --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- GCC 4.9 is no longer supported, you have to try GCC 6 or newer or find a workaround yourself.