Commit bc5d4074 authored by Devon Carew's avatar Devon Carew

fix an issue where the refresh benchmark would overwrite a completer (#4315)

parent 6d4fd850
...@@ -83,7 +83,7 @@ class Observatory { ...@@ -83,7 +83,7 @@ class Observatory {
if (isolates.isNotEmpty) if (isolates.isNotEmpty)
return isolates.first; return isolates.first;
_waitFirstIsolateCompleter = new Completer<IsolateRef>(); _waitFirstIsolateCompleter ??= new Completer<IsolateRef>();
getVM().then((VM vm) { getVM().then((VM vm) {
for (IsolateRef isolate in vm.isolates) for (IsolateRef isolate in vm.isolates)
......
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