RFR: 8353066: Properly detect Windows/aarch64 as build platform

Fri Apr 4 07:10:49 UTC 2025

On Wed, 2 Apr 2025 23:25:28 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> Configure does not properly detect Windows/aarch64 on Cygwin. One complicating factor here is that no native aarch64 version of Cygwin exists, so it is running x64 binaries in emulated mode.

Marked as reviewed by erikj (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/24397#pullrequestreview-2742013621