https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111660
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever confirmed|0 |1 Last reconfirmed| |2023-10-02 Target Milestone|--- |14.0 Summary|Compilation of constexpr |[14 Regression] Compilation |function returning enum |of constexpr function |takes exponential time with |returning enum takes |-std=c++2a |exponential time with | |-std=c++2a --- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I suspect r14-4140-g6851e3423c2b5e introduced the compile time slowness.