https://issues.dlang.org/show_bug.cgi?id=13388
--- Comment #26 from Ketmar Dark <ket...@ketmar.no-ip.org> --- Created attachment 1403 --> https://issues.dlang.org/attachment.cgi?id=1403&action=edit testcase; must fail with "'mustf.foo' is not nothrow" and "function 'mustf.bar' is nothrow yet may throw" --