Fix quoting in xedkbuild.bat (again).
Prevent BASE register coalescing if parent uses IR_RETF.
FFI: Disallow nested VLS.
Don't purge modified function from stack slots in BC_RET.
Fix Xbox 360 build.
Merge branch 'master' into v2.1
Merge branch 'v2.1' into v2.1-agentzh