[Bug libstdc++/62258] uncaught_exception() equals to `true' after rethrow_exception()

[dprokoptsev at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62258

--- Comment #1 from Dmitry Prokoptsev <dprokoptsev at gmail dot com> ---
Created attachment 33394
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33394&action=edit
A simple test case.