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[vm] Check for common case (_Future) before uncommon case (is! Future / 3rd party future)

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TEST=ci

Change-Id: Iac123e20a889d8b3152bd3934c12ed012aebd8d0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/231944
Reviewed-by: Slava Egorov <vegorov@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>
This commit is contained in:
Martin Kustermann
2022-02-07 10:06:41 +00:00
committed by Commit Bot
parent c9f223c5bd
commit 68f502cc61
1 changed files with 3 additions and 3 deletions
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sdk/lib/_internal/vm/lib/async_patch.dart
+3 -3
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@@ -70,10 +70,10 @@ dynamic Function(Object, StackTrace) _asyncErrorWrapperHelper(
Future _awaitHelper(var object, dynamic Function(dynamic) thenCallback,
dynamic Function(dynamic, StackTrace) errorCallback, Function awaiter) {
late _Future future;
if (object is! Future) {
future = new _Future().._setValue(object);
} else if (object is _Future) {
if (object is _Future) {
future = object;
} else if (object is! Future) {
future = new _Future().._setValue(object);
} else {
return object.then(thenCallback, onError: errorCallback);
}