Fix for issue 22594

pkg/analyzer/test/generated/non_error_resolver_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library engine.non_error_resolver_test;
 
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/parser.dart' show ParserErrorCode;
@@ skipping 4069 matching lines @@
     Source source = addSource(r'''
 class A {
   const A.a();
   const factory A.b() = A.a;
 }''');
     resolve(source);
     assertNoErrors(source);
     verify([source]);
   }
 
+  void test_referencedBeforeDeclaration_cascade() {
+    Source source = addSource(r'''
+testRequestHandler() {}
+
+main() {
+  var s1 = null;
+  testRequestHandler()
+    ..stream(s1);
+  var stream = 123;
+  print(stream);
+}''');
+    resolve(source);
+    assertNoErrors(source);
+    verify([source]);
+  }
+
   void test_referenceToDeclaredVariableInInitializer_constructorName() {
     Source source = addSource(r'''
 class A {
   A.x() {}
 }
 f() {
   var x = new A.x();
 }''');
     resolve(source);
     assertNoErrors(source);
@@ skipping 1266 matching lines @@
     resolve(source);
     assertNoErrors(source);
     verify([source]);
     reset();
   }
 
   void _check_wrongNumberOfParametersForOperator1(String name) {
     _check_wrongNumberOfParametersForOperator(name, "a");
   }
 }