https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83414
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2017-12-14 Version|unknown |5.4.0 Ever confirmed|0 |1 Known to fail| |7.2.0 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Confirmed with GCC 7. Though somehow the error must be on your side ;)