[Bug c++/83400] g++ -O1 doesn't execute any code in destructors with a throw statement if it sees another throw

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83400

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
If the destructor uses a dynamic exception-specification then it works
correctly:

    ~ThrowInDtor() throw(long) {


in dtor
terminate called after throwing an instance of 'long'
Aborted (core dumped)