rb_assert_failure   13 ruby_assert.h  NORETURN(void rb_assert_failure(const char *, int, const char *, const char *));
rb_assert_failure   16 ruby_assert.h      rb_assert_failure(__FILE__, __LINE__, RUBY_FUNCTION_NAME_STRING, expr)
rb_assert_failure   19 ruby_assert.h      rb_assert_failure(__FILE__, __LINE__, NULL, expr)