--no-check-autocast Disable implicit casts on unsafe expression usage (dangerous)
--no-check-other Disable implicit tests: unset attribute, null receiver (dangerous)
--typing-test-metrics Enable static and dynamic count of all type tests
+ --nit-stacktrace Enables the use of gperf to bind C to Nit function names when encountering a Stack trace at runtime
+ --no-stacktrace Disables libunwind and generation of C stack traces (can be problematic when compiling to targets such as Android or NaCl)
--separate Use separate compilation
--no-inline-intern Do not inline call to intern methods
--no-union-attribute Put primitive attibutes in a box instead of an union