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

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

8154110: Update class* and safepoint* logging subsystems
Summary: Refactored logging tags in class and safepoint subsystems.
Reviewed-by: coleenp, rehn, hseigel

8153026: Change logging tag 'verboseverification' to 'verification'
Summary: Changed UL tag to 'verification'
Reviewed-by: hseigel, lfoltan

8146632: Add descriptive error messages for removed non-product logging flags.
Summary: Added table with removed non-product flags and error messages.
Reviewed-by: dholmes, coleenp, hseigel