RFR: 8265767: compiler/eliminateAutobox/TestIntBoxing.java crashes on arm32 after 8264649 in debug VMs [v2]

[Hui Shi]

On Mon, 3 May 2021 12:56:03 GMT, Christoph Göttschkes <cgo at openjdk.org> wrote:

>>> The fix is reasonable.
>>> Add comment `// remove dead node later`
>>> Pass `PhaseIterGVN* igvn` instead of `eliminate_autobox(PhaseGVN* phase)` to simplify code. Note, `can_reshape == true` only for PhaseIterGVN.
>> 
>> @vnkozlov Thanks for your review! All comments are fixed and pass Tier1-3 on Linux x86_64, release and fastdebug build, default option and -XX:-TieredCompilation.
>
> Hi @huishi-hs, hotspot tier1 passes on my ARMv7-A targets.

@mychris Thanks for help verification! 
@vnkozlov Thanks for review! 
Does this patch need a second review before integrate?

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PR: https://git.openjdk.java.net/jdk/pull/3818