8056071: compiler/whitebox/IsMethodCompilableTest.java fails with 'method() is not compilable after 3 iterations'
Summary: Always use MDO if valid and always compile trivial methods with C1 if available.
Reviewed-by: kvn, iveresov

Summary: Prevent from running with Xcomp
Reviewed-by: kvn, twisti

8027124: [TESTBUG] NonTieredLevelsTest: java.lang.RuntimeException: private TestCase$Helper(java.lang.Object) must be osr_compiled
Reviewed-by: kvn, roland

Summary: Only c2 compiles counts toward cutoff
Reviewed-by: kvn, roland

Reviewed-by: twisti
Contributed-by: anton.ivanov@oracle.com

Reviewed-by: kvn

Summary: 'compileonly' directive has beens added to each 'compiler/whitebox' test
Reviewed-by: kvn

Reviewed-by: kvn

Reviewed-by: kvn, vlivanov

Reviewed-by: kvn, vlivanov

Reviewed-by: kvn, vlivanov

Summary: Modify WhiteBoxAPI to use interface classes from test/testlibrary instead, add ClassFileInstaller to resolve the boot class path issue
Reviewed-by: ctornqvi, dsamersoff, coleenp, kvn

Reviewed-by: kvn, vlivanov