b01cb58320
This reverts commit 4049ab54e4.
Reason for revert: Appears to break standalone_2/dwarf_stack_trace_test and other related tests.
https://logs.chromium.org/logs/dart/buildbucket/cr-buildbucket.appspot.com/8886276259895791440/+/steps/test_results/0/logs/new_test_failures__logs_/0
Original change's description:
> Re-land "[vm] Add type to _AsyncAwaitCompleter.start."
>
> We need to relax vm/dart/causal_stacks/async_throws_stack_no_causal_test
>
> Change-Id: I40c08d432afeac839ce4f49bbf48c3707b23ef7f
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/138804
> Reviewed-by: Martin Kustermann <kustermann@google.com>
> Commit-Queue: Samir Jindel <sjindel@google.com>
TBR=kustermann@google.com,sjindel@google.com,cskau@google.com
Change-Id: Ib77bdb5ba9927cf5a9a588570a5d70641e912aed
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/138791
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Ben Konyi <bkonyi@google.com>