8055946: assert(result == NULL || result->is_oop()) failed: must be oop Summary: caller of popped frame doesn't have valid result during deoptimization Reviewed-by: kvn

8055910: closed/java/util/Collections/CheckedCollections.java failed with ClassCastException not thrown Summary: missing subtype check for Arrays.copyOf intrinsic Reviewed-by: kvn, iveresov

8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method Summary: Add new C2 intrinsic for BigInteger::multiplyToLen() on x86 in 64-bit VM. Reviewed-by: roland