[Bug c++/108138] g++ 9+ takes 7-10x longer compiling constexpr

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108138

--- Comment #8 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #4)
> I think it was fixed by the patch which fixed/improved PR 102780:
> r12-4769-g9927ecbb42d5b

I can confirm this!