8173404: C2: wrong nmethod dependency can be recorded for CallSite.target
Reviewed-by: kvn

8157957: ClassNotFoundException: jdk.test.lib.JDKToolFinder
Reviewed-by: coleenp, gtriantafill, mseledtsov, iignatyev, dholmes, dsamersoff

8132919: Put compiler tests in packages
Reviewed-by: vlivanov, dpochepk
Contributed-by: igor.ignatyev@oracle.com

8154258: [TESTBUG] Various serviceability tests fail compilation
Summary: Replace sun.misc.Unsafe with jdk.internal.misc.Unsafe
Reviewed-by: chegar, kvn

7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode
Reviewed-by: jrose, kvn