[CWG593](https://cplusplus.github.io/CWG/issues/593.html) "Falling off the end of a destructor's function-try-block handler". As usual with CWG issues resolved as NAD, we test for status-quo confirmed by CWG.
[CWG593](https://cplusplus.github.io/CWG/issues/593.html) "Falling off the end of a destructor's function-try-block handler". As usual with CWG issues resolved as NAD, we test for status-quo confirmed by CWG.