Alexander Aprelev
e252d458e5
For GC purposes dart mutator thread could be identified by task kind, or if gc task is occupying the thread, by presence of scheduled isolate or (in case of isolategroup-shared thread) by presence of top_exit_frame. Fixes dartbug.com/60705 TEST=ci Change-Id: I09d212caf06e92a36efe1e5d397e5bb89846ced2 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/427981 Reviewed-by: Slava Egorov <vegorov@google.com> Commit-Queue: Alexander Aprelev <aam@google.com>