RFR: 8281548: Add escape analysis tracing flag [v4]

[Jorn Vernee]

On Wed, 16 Feb 2022 19:18:33 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Jorn Vernee has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Review comments
>
> src/hotspot/share/opto/escape.cpp line 918:
> 
>> 916:           // Not scalar replaceable if the length is not constant or too big.
>> 917:           scalar_replaceable = false;
>> 918:           NOT_PRODUCT(nsr_reason = "has a non-constant or too big length");
> 
> Can you separate these two cases: `non-constant` and `too big`? You can split the above check.

Done.

-------------

PR: https://git.openjdk.java.net/jdk/pull/7428