8060717: [TESTBUG] Improve test coverage of MethodHandles.explicitCastArguments()
Reviewed-by: vlivanov, mhaupt

8133543: [TESTBUG] java/lang/invoke/LFCaching/LFSingleThreadCachingTest.java should be modified
Reviewed-by: vlivanov, mhaupt

8058695: [TESTBUG] Reinvokers with arity >253 can't be cached
Reviewed-by: iignatyev, vlivanov

8057719: Develop new tests for LambdaForm Reduction and Caching feature
Reviewed-by: iignatyev, vlivanov, psandoz