test_exception.rb: test_machine_stackoverflow_by_trace
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58647 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test_exception.rb: test_machine_stackoverflow_by_trace
move from test_trace.rb and rename, to be excluded by the default.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58647 b2dd03c8-39d4-4d8f-98ff-823fe69b080e