[jdk22u] RFR: 8329570: G1: Excessive is_obj_dead_cond calls in verification

[Aleksey Shipilev]

On Mon, 8 Apr 2024 07:10:11 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Simple fastdebug performance improvement fix. Risk is low, as it only moves the assert to an earlier stage.
> 
> Additional testing:
>  - [ ] GHA

This is actually a clean backport. Weird that bots are not marking it as such.

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PR Comment: https://git.openjdk.org/jdk22u/pull/132#issuecomment-2043299049