RFR: 8295872: [PPC64] JfrGetCallTrace: Need pc == nullptr check before frame constructor

[Martin Doerr]

On Tue, 25 Oct 2022 10:36:34 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> The check pc == nullptr is needed before the frame constructor.

Thanks for the prompt review!

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PR: https://git.openjdk.org/jdk/pull/10846