RFR: 8265132 : C2 compilation fails with assert "missing precedence edge" [v3]

Wed May 26 21:00:06 UTC 2021

On Wed, 26 May 2021 18:46:59 GMT, Jamsheed Mohammed C M <jcm at openjdk.org> wrote:

>> Issue is similar to https://bugs.openjdk.java.net/browse/JDK-8261730
>> but happens at next https://github.com/jamsheedcm/jdk/blob/master/src/hotspot/share/opto/gcm.cpp#L830
>> 
>> Request for review
>
> Jamsheed Mohammed C M has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fixing issue related to raising LCA

On further thought resetting `raise_LCA_mark` `raise_LCA_visited` at end of `insert_anti_dependence` seemed better than having costly checks in product mode.
will give it a try.

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PR: https://git.openjdk.java.net/jdk/pull/4200