* test/ruby/test_settracefunc.rb (test_tracepoint_thread): bugfix.

	  Take care about the thread switch between Thread.new and let to
	  create_thread.
	  TracePoint's block is sometimes run with create_thread == nil,
	  so we have to perform Thread check later.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43804 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_settracefunc.rb

@@ -786,7 +786,6 @@ def test_tracepoint_thread
     thread_self = nil
     created_thread = nil
     TracePoint.new(:thread_begin, :thread_end){|tp|
-      next if Thread.current != created_thread
       events << [Thread.current,
                  tp.event,
                  tp.lineno,  #=> 0
@@ -799,6 +798,7 @@ def test_tracepoint_thread
       created_thread = Thread.new{thread_self = self}
       created_thread.join
     }
+    events.reject!{|i| i[0] != created_thread}
     assert_equal(self, thread_self)
     assert_equal([created_thread, :thread_begin, 0, nil, nil, nil, Thread], events[0])
     assert_equal([created_thread, :thread_end, 0, nil, nil, nil, Thread], events[1])