[jdk26] Integrated: 8373630: r18_tls should not be modified on Windows AArch64

[Saint Wesonga]

On Fri, 19 Dec 2025 19:23:09 GMT, Saint Wesonga <swesonga at openjdk.org> wrote:

> This pull request is a backport of commit [a0dd66f9](https://github.com/openjdk/jdk/commit/a0dd66f92d7f8400b9800847e36d036315628afb)

This pull request has now been integrated.

Changeset: 1ec4ff54
Author:    Saint Wesonga <swesonga at openjdk.org>
Committer: Andrew Haley <aph at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/1ec4ff54ae2b041f058af9d3a9e927dfc27d71bc
Stats:     23 lines in 1 file changed: 23 ins; 0 del; 0 mod

8373630: r18_tls should not be modified on Windows AArch64

Reviewed-by: aph
Backport-of: a0dd66f92d7f8400b9800847e36d036315628afb

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PR: https://git.openjdk.org/jdk/pull/28933