I notice that WhyDGML tool introduced, maybe I can put some words about it into [Documentation\how-to-debug-compiler-dependency-analysis.md](https://github.com/dotnet/corert/blob/master/Documentation/how-to-debug-compiler-dependency-analysis.md)
I notice that WhyDGML tool introduced, maybe I can put some words about it into Documentation\how-to-debug-compiler-dependency-analysis.md