1600519f81
See https://dart-ci.appspot.com/log/vm-win-release-arm64/vm-win-release-arm64/3854/vm/cc/IsolateReload_RegressB179030011 for example of currently incorrect behavior where x86 is used instead of arm64. TEST=ci Change-Id: I8e725a1bca39dcdd67ea856b7ebbea24e750dfda Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/420501 Commit-Queue: Alexander Aprelev <aam@google.com> Reviewed-by: Siva Annamalai <asiva@google.com>