different behaviors of mixed-mode assembly under .net/wine-mono/native mono.

[Vincent Povirk]

> Is it possible to enable win32 mono's mixed mode support at runtime,
> or does it requires a re-compile?

I'm not sure, but I think there is a switch to mono.exe.

> The two ldarg.s look invalid to me, but it is possible that Cecil is getting
> confused in the same way as mono.

The solution is probably to modify the JIT compiler in wine-mono to
accept this code.