https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102367
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|Types may be defined in |types can be defined in |`decltype` or `sizeof` |lambdas in unevaluated |expressions in C++20 |expression | |(decltype/sizeof) in C++20 Last reconfirmed| |2021-09-16 Ever confirmed|0 |1 Status|UNCONFIRMED |NEW --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I thought there was a dup of this bug somewhere. Anyways confirmed.