RFR: 8230203: Replace markWord enums with uintptr_t constants

[David Holmes]

On 28/08/2019 2:48 pm, Kim Barrett wrote:
>> On Aug 27, 2019, at 10:05 PM, David Holmes <david.holmes at oracle.com> wrote:
>> In markWord.hpp:
>>
>> 334     assert(age <= max_age, "age too large");
>>
>> This assert is a tautology as age and max_age are the same uint type. (I expect some compilers may point this out.)
> 
> max_age == age_mask
>          == right_n_bits(age_bits)
>          == right_n_bits(4)

Yeah - thanks Kim. Doh!

David