Ryan Macnak
35a07b2e73
This reverts commit e4e8360eba.
Reason for revert: https://github.com/dart-lang/sdk/issues/59632
Original change's description:
> [vm, isolates] Avoid three-way deadlock during isolate exit.
>
> Running mutator
> holds safepoint operation scope starting old space GC
> waiting for old space tasks to reach 0
>
> Concurrent marker
> holds old space tasks > 0
> waiting for isolates_list_ lock to interrupt for finalization
>
> Exiting mutator
> holds isolates_list_ lock_ to unregister isolate
> waiting for safepoint to end TransitionVMToBlocked
>
> Reorder isolate [un]registeration to not need safepoint transition to acquire the isolates_list_ lock.
>
> TEST=ci
> Bug: https://github.com/dart-lang/sdk/issues/59574
> Change-Id: Ia98fabd654c880b253893a0598d2e26ed77f52da
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/397660
> Reviewed-by: Alexander Aprelev <aam@google.com>
> Commit-Queue: Ryan Macnak <rmacnak@google.com>
Bug: https://github.com/dart-lang/sdk/issues/59574
Change-Id: I529fc140160018c2b6768b108073b2e14ab7bdaa
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/398422
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>