[Bug c++/86970] Rejected constexpr expression involving lambdas and inheritance, "use of this in a constant expression"

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86970

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #4)
> Fixed with r11-1677-g0801f419440c14f6.

No, you missed that you need -std=c++17 to test with the example. That commit
just changed the default from -std=gnu++14 to -std=gnu++17  ...