https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89096
David Edelsohn <dje at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2020-01-08 Ever confirmed|0 |1 --- Comment #24 from David Edelsohn <dje at gcc dot gnu.org> --- Confirmed. The patch already was applied to the GCC 8 branch. It's not clear what exact user code is continuing to triggering GCC to emit this unusual mapping.