simple throw
simple catch
Exiting: simple catch clause
end of try clause
Exiting: simple try clause

throwing child exception
inner parent match

caught yin as yin

rethrow inner try
caught throw, will rethrow
Exiting: rethrowing catch clause
caught rethrow
Exiting: rethrow catch clause
Exiting: rethrow inner try

caught yin, will throw yang
caught yang
