[runtime] Fix the mingw build by defining InterlockedCompareExchange64 () which is missing from mingw's winbase.h.
Don't print empty detailed assert message
[runtime] Force the usage of --host=i686-pc-mingw32 when running configure on windows.
Fixes parallel enumerable index counter. Fixes #14515
Cleanup TraceImpl
Set empty string to TraceListeners for empty assert message. Fixes #14505
Stubbed out System.Security.Claims corlib classes.
Implemented Claim with tests.
Correcting modifications to project file made by Xamarin Studio.