davidl wrote:
From a commercial basis for Walter, it may be easier to glue a C# frontend against the DMD backend to create a native C# compiler.
Mono has AOT compilation. On the other hand, I've experienced more ICE per minute with Mono than with dmd. This is partially due to dmd's near monoculture and .NET's huge majority market share -- people code around dmdfe bugs, but not around Mono bugs.