https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42329
Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jason at gcc dot gnu.org --- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> --- Created attachment 37437 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37437&action=edit work in progress Here's most of a fix for this, for the next stage 1; it's too late for GCC 6.