ripper_assert_Qundef 15743 ext/ripper/ripper.c     rb_define_method(rb_mKernel, "assert_Qundef", ripper_assert_Qundef, 2);
ripper_assert_Qundef 10343 ext/ripper/ripper.y     rb_define_method(rb_mKernel, "assert_Qundef", ripper_assert_Qundef, 2);
ripper_assert_Qundef 15675 parse.c            rb_define_method(rb_mKernel, "assert_Qundef", ripper_assert_Qundef, 2);
ripper_assert_Qundef 10343 parse.y            rb_define_method(rb_mKernel, "assert_Qundef", ripper_assert_Qundef, 2);