https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107457
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |ice-on-valid-code Last reconfirmed| |2022-10-29 Ever confirmed|0 |1 Status|UNCONFIRMED |NEW --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Confirmed. GCC has trouble with lambdas inside decltype especially with alias's and that is definitely what is being used here.