[jdk11u-dev] RFR: 8295872: [PPC64] JfrGetCallTrace: Need pc == nullptr check before frame constructor

[Martin Doerr]

On Fri, 11 Nov 2022 15:13:31 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> Backport of JDK-[8295872](https://github.com/openjdk/jdk17u-dev/commit/3486bb2f8f89c6266e67b6efbc68dac14b2e6e74). `nullptr` needs to get replaced by `NULL` because 11 uses an older C++ standard.

Thanks for the prompt review!

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PR: https://git.openjdk.org/jdk11u-dev/pull/1519