https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108590
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|- 1_short_consteval is not |- 1_short_consteval is not |being promoted to int |being promoted to int |before doing the negative |before doing the unary | |operator negative --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- f(+1_int16_consteval); Works even .... Just not unary operator neg.