8154073: Several compiler tests fail when are executed with C1 only Summary: Added missing flag checks to the tests and Whitebox API. Reviewed-by: kvn

8153818: Move similar CompiledIC platform specific code to shared code. Reviewed-by: iveresov, twisti

8153115: Move private interface check to linktime Summary: Check for private interface methods during linktime instead of runtime Reviewed-by: kvn, never, coleenp, acorn, lfoltan

Merge

8153885: [TESTBUG] few regression tests failed after 8151880 changes Summary: Test that uses compile() as missed in update Reviewed-by: kvn

8149374: Replace C1-specific collection classes with universal collection classes Reviewed-by: kvn, mgerdin, coleenp

8152590: C2: @Stable support doesn't always work w/ incremental inlining Reviewed-by: kvn

8138861: C2 complains about unreasonably large method running Octane zlib in Nashorn Reviewed-by: kvn

8153797: aarch64: Add Arrays.fill stub code Reviewed-by: aph Contributed-by: long.chen@linaro.org

8153439: do not install an empty SpeculationLog in an nmethod Reviewed-by: iveresov, twisti

Merge

8151880: EnqueueMethodForCompilationTest.java still fails to compile method Summary: Extract SimpleTestCaseHelper inner class Reviewed-by: kvn

8153514: Whitebox API should allow compilation of <clinit> Summary: Added Whitebox API method to trigger compilation of static initializer. Reviewed-by: zmajo, kvn, iignatyev

Merge

8149488: Incorrect declaration of bitsInByte in regmask.cpp. Summary: Corrected BITS_IN_BYTE_ARRAY_SIZE value as 256 for all bitsInByte usage. Reviewed-by: dlong, mcberg, thartmann, vlivanov