tree 56877b915cffb8128f5cdb70a8a90f76ad7ba731
parent 312eb812c80b4e65be25816a91ec7da541c21e71
author Alexander Aprelev <aam@google.com> 1638555058 +0000
committer Commit Bot <commit-bot@chromium.org> 1638555058 +0000

[gardening] Guard use of lib atomic so  it's not used on ios builds.

This is follow-up to e78e0dd2610f6d67419bb65ceeabfaf0c405e6ab.

TEST=ci

Change-Id: I089299076b115ee384bc2f485a01045367bf78ef
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/222026
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>