[jdk18] RFR: 8272058: 25 Null pointer dereference defect groups in 4 files [v4]

[Daniel D.Daugherty]

On Tue, 18 Jan 2022 21:53:21 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Daniel D. Daugherty has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:
>> 
>>  - copyright updates for 2022.
>>  - Merge branch 'master' into JDK-8272058
>>  - bulasevich CR - use NativeInstruction::is_ldrw_to_zr() instead of raw constants.
>>  - Merge branch 'master' into JDK-8272058
>>  - 8272058.exp1.patch
>
> I walked through the changes that you made in my local code base and by inspection and your testing, this change looks good.  Thanks for fixing the problem.

@coleenp - Thanks for the review and the approval.

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PR: https://git.openjdk.java.net/jdk18/pull/51