RFR: 8300124: Remove unnecessary assert in GenCollectedHeap::initialize

[Albert Mingkun Yang]

On Fri, 13 Jan 2023 16:55:47 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Simple change of removing a redundant assertion.

Thanks for the review.

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PR: https://git.openjdk.org/jdk/pull/11993