tree ce7cf1f9f375538a5dc6e8702004291a0cbe9a6c
parent 3ae67934695304f86ec1bfc43a85d5723ef1dccb
author Liam Appelbe <liama@google.com> 1689110808 +0000
committer Commit Queue <dart-scoped@luci-project-accounts.iam.gserviceaccount.com> 1689110808 +0000

[vm] Async callback fast path when on target isolate

Skip creating the temporary isolate if the current thread is already
entered into the target isolate. We can marshall the args and send the
message directly from this isolate.

Bug: https://github.com/dart-lang/sdk/issues/52764
Change-Id: I94a1358ad7d2632b53c122cc38cd5675e6f5ecbc
Fixes: https://github.com/dart-lang/sdk/issues/52764
TEST=CI, specifically async_void_function_callbacks_test.dart
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/312351
Commit-Queue: Liam Appelbe <liama@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>