https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79590
--- Comment #2 from Vittorio Romeo <vittorio.romeo at outlook dot com> --- This is still present. Here are some more examples: int main() { [](auto x) noexcept(noexcept(x)) { } (0); } <source>:3:40: internal compiler error: in nothrow_spec_p, at cp/except.c:1159 [](auto x) noexcept(noexcept(x)) { } (0); ^ int main() { [](auto) noexcept(noexcept(0)) { } (0); } <source>: In function 'int main()': <source>:3:38: internal compiler error: in nothrow_spec_p, at cp/except.c:1159 [](auto) noexcept(noexcept(0)) { } (0); ^