[PATCH 0/3] MR3986: include: Initial ARM64EC target support.

[Jacek Caban (＠jacek)]

ARM64EC target defines x86_64 macros to ensure that x86_64-specific code paths are used, but for code that really needs to use aarch64 branch there is an additional _M_ARM64EC macro that needs to be used. See https://techcommunity.microsoft.com/t5/windows-os-platform-blog/getting-to-k... for details.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/3986