RFR: 8289943: Simplify some object allocation merges [v8]

Tue Sep 20 20:43:45 UTC 2022

On Fri, 15 Jul 2022 00:54:42 GMT, Xin Liu <xliu at openjdk.org> wrote:

>> Cesar Soares has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove debug messages.
>
> src/hotspot/share/opto/c2_globals.hpp line 474:
> 
>> 472:           " register allocation.")                                          \
>> 473:                                                                             \
>> 474:   product(bool, ReduceAllocationMerges, false,                              \
> 
> I think we need to enable it anyway.

Yes, for testing we need to enable it by default.

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PR: https://git.openjdk.org/jdk/pull/9073