message: wrap multiple statements in do {} while(!IsConstTrue(true))
diff: #define FLATBUFFERS_NO_FILE_TESTS
  #else
  #define TEST_OUTPUT_LINE(...) \
  - { printf(__VA_ARGS__); printf("\n"); }
  + do { printf(__VA_ARGS__); printf("\n"); } while(!IsConstTrue(true))
  #endif
  #define TEST_EQ(exp, val) TestEq(exp, val, "'" #exp "' != '" #val "'", __FILE__, __LINE__, "")
  