Integrated: 8278885: Remove Windows ARM64 int8_t workaround in G1

[aamarsh]

On Thu, 16 Dec 2021 23:44:55 GMT, aamarsh <duke at openjdk.java.net> wrote:

> Please review this small change to revert a previous workaround that avoided an MSVC issue. 
> 
> This issue has now been fixed in VS 16.8 and higher. 
> 
> I also updated some documentation to reflect this change.

This pull request has now been integrated.

Changeset: 7b6738fa
Author:    Ana Marsh <anamarsh at microsoft.com>
Committer: Thomas Schatzl <tschatzl at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/7b6738fa02023825ed9e602555bd5ed2b87a6ca6
Stats:     12 lines in 4 files changed: 2 ins; 6 del; 4 mod

8278885: Remove Windows ARM64 int8_t workaround in G1

Reviewed-by: erikj, tschatzl, mli

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PR: https://git.openjdk.java.net/jdk/pull/6872