8178723: Workaround for failure of CRC32C intrinsic on x86 machines without CLMUL support (JDK-8178720)
Summary: Disable CRC32C intrinsic on affected machines. Improve tests.
Reviewed-by: kvn, simonis, mdoerr, aph
Contributed-by: Lutz Schmidt <lutz.schmidt@sap.com>, Zoltan Majo <zoltan.majo@oracle.com>