RFR: 8327963: C2: fix construction of memory graph around Initialize node to prevent incorrect execution if allocation is removed [v2]

[Roland Westrelin]

On Wed, 23 Apr 2025 12:29:06 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> Roland Westrelin has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   TestIterativeEA fix
>
> test/hotspot/jtreg/compiler/macronodes/TestEliminationOfAllocationWithoutUse.java line 39:
> 
>> 37:  * @run main/othervm -Xcomp
>> 38:  *                   -XX:CompileCommand=compileonly,compiler.macronodes.TestEliminationOfAllocationWithoutUse::test*
>> 39:  *                   compiler.macronodes.TestEliminationOfAllocationWithoutUse
> 
> Would a run without Xcomp make sense?

Some test methods run a loop for only a few iterations, not sure a run without `-Xcomp` makes much sense.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24570#discussion_r2091039980