There used to be a bug when using the native compiler in compiling
md4.c when compiled without either the
compiler options. We have changed the code and there is no problem
under V2.1, but we do not have access to V2.0 to test and see if the
problem would exist there. (We welcome feedback on this issue). There
was never a problem in using GCC version 2.6.3.
In version 3.2 and beyond of the operating system, we have not seen this sort of problem with the native compiler.