Withdrawn: 8316955: Unnecessary memory barrier for reading OopMapCacheEntry from OopMapCache

[Zhengyu Gu]

On Wed, 27 Sep 2023 13:22:43 GMT, Zhengyu Gu <zgu at openjdk.org> wrote:

> OopMapCacheEntry is installed by CAS with memory_order_conservative, there is no need a memory barrier on read side.
> 
> Test:
>   hotspot_gc on MacOSX (fastdebug and release)

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/15944