RFR: 8315954: getArgumentValues002.java fails on Graal [v2]

[Tom Rodriguez]

On Fri, 15 Sep 2023 14:01:13 GMT, Doug Simon <dnsimon at openjdk.org> wrote:

>> This PR adds `HotSpotResolvedJavaMethod.getOopMapAt` to get the oop map for a method at a given BCI. This is required to do correct clearing of oops at OSR entry points.
>> 
>> As part of this addition, I needed to be able to detect requests for oop maps at invalid BCIs. For this, I added `InterpreterOopMap::has_valid_mask()`. When an oop map computation is requested for an invalid BCI, this method returns false.
>
> Doug Simon has updated the pull request incrementally with three additional commits since the last revision:
> 
>  - generalized getLiveObjectLocalsAt to getOopMapAt
>  - need to zero oop_map_buf
>  - simplified getLiveObjectLocalsAt and moved it from ResolvedJavaMethod to HotSpotResolvedJavaMethod

New version looks good.

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Marked as reviewed by never (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/15705#pullrequestreview-1631741044