tree eb10616ac820245a3f9eb9d86b9f56eddf11a1b2
parent 37d8c78237e875355ffe36d6b2b33c29606a43fa
author Martin Kustermann <kustermann@google.com> 1607161825 +0000
committer Martin Kustermann <kustermann@google.com> 1607161825 +0000

[vm/concurrency] Guard against concurrent creation of implicit closure functions

Once we share the program structure across isoltes we have to guard
against concurrent lazy creation of implicit closure functions.

Issue https://github.com/dart-lang/sdk/issues/36097

TEST=Tests using --enable-isolate-groups with JIT sharing.

Change-Id: Ia8addf44106bea1b4777f5044c6c862cc76e354c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/175067
Reviewed-by: Alexander Aprelev <aam@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>