[Bug c++/81942] ICE on empty constexpr constructor with C++14

[thopre01 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81942

--- Comment #15 from Thomas Preud'homme <thopre01 at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #14)
> The patch LGTM, but I'll defer the final say to Jason/Nathan.

FYI I tried the patch on arm-none-eabi toolchain and it fixes the bug reported.

Best regards.