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

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

Reviewed-by: twisti, iveresov

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

Summary: Remove control from loads in String.equals intrinsic and cast argument to not-null.
Reviewed-by: never

Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

Reviewed-by: kvn

Summary: Use merged memory state for an allocation's slow path.
Reviewed-by: never

Summary: The C2 compiler leads to wrong results on solaris-i486 (32-bit) for a testcase given in the CR.
Reviewed-by: never, rasbold

Reviewed-by: kvn, jrose