ModGC

[ruby/resolv] Check the second RegGetValue type #111

Job	Run time
check (default, ubuntu-latest)	7m 31s
check (mmtk, release, ubuntu-latest)	10m 22s
check (mmtk, release, macos-latest)	10m 17s
check (default, macos-latest)	8m 50s
	37m 0s

Provide feedback