[Bug c++/82081] Tail call optimisation of noexcept function leads to exception allowed through

[pdziepak at quarnos dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82081

--- Comment #5 from Paweł Dziepak <pdziepak at quarnos dot org> ---
Is it really undefined? n4700 states in 18.4/5:

Whenever an exception is thrown and the search for a handler (18.3) encounters
the outermost block of a function with a non-throwing exception specification,
the function std::terminate() is called (18.5.1).