RFR: JEP 359: Records (Preview) (full code)

David Holmes david.holmes at oracle.com
Tue Dec 3 05:27:36 UTC 2019

On 3/12/2019 11:08 am, John Rose wrote:
> On Dec 2, 2019, at 4:36 PM, David Holmes <david.holmes at oracle.com 
> <mailto:david.holmes at oracle.com>> wrote:
>> You are using CHECK_0 in RecordComponent::create but that method 
>> returns oop. That seems wrong to me, but I see many other oop 
>> returning methods also use CHECK_0 so I'll take that up separately. 
>> (It's only a cosmetic issue.)
> CHECK_NULL is clearly preferable.  At some point IIRC it was more
> than just cosmetics, because we were getting warning noise about
> `return 0` converting to NULL, from some C++ compiler or other.
> AFAIK such warnings can still happen.

That was my recollection too (I know we fixed some CHECK_0 -> 
CHECK_FALSE usages for bool methods). I have filed:


to fix the existing code.

Vicente should make this change to his code before pushing (no need to 
see new webrev).


> — John

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