RFR: 8219357: G1: G1GCPhaseTimes::debug_phase uses unnecessary ResourceMark

[Aleksey Shipilev]

On Fri, 16 Jun 2023 09:35:12 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   please review this removal of an unnecessary `ResourceMark`.
> 
> Testing: local compilation, gha
> 
> Thanks,
>   Thomas

Looks okay, just from the symmetry with `trace_phase` below.

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Marked as reviewed by shade (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/14512#pullrequestreview-1483158365