https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91501
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2020-01-14 Ever confirmed|0 |1 --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Confirmed, This is a front-end issue. In fact you can workaround the issue by using a const reference inside doStuff.