Handle deferred access as pre-step in SemanticSendVisitor.

tests/compiler/dart2js/semantic_visitor_test_send_data.dart

Index: tests/compiler/dart2js/semantic_visitor_test_send_data.dart
diff --git a/tests/compiler/dart2js/semantic_visitor_test_send_data.dart b/tests/compiler/dart2js/semantic_visitor_test_send_data.dart
index 7ffca2385885ace20dc79a29d0e806e0651d6a63..9a420d67850b0a98780468ecb09ffbb37f175785 100644
--- a/tests/compiler/dart2js/semantic_visitor_test_send_data.dart
+++ b/tests/compiler/dart2js/semantic_visitor_test_send_data.dart
@@ -107,6 +107,20 @@ const Map<String, List<Test>> SEND_TESTS = const {
         'm() => p.C.o;',
         const Visit(VisitKind.VISIT_STATIC_FIELD_GET,
                     element: 'field(C#o)')),
+    const Test.prefix(
+        '''
+        class C {
+          static var o;
+        }
+        ''',
+        'm() => p.C.o;',
+        const [
+          const Visit(VisitKind.PREVISIT_DEFERRED_ACCESS,
+                      element: 'prefix(p)'),
+          const Visit(VisitKind.VISIT_STATIC_FIELD_GET,
+                      element: 'field(C#o)'),
+        ],
+        isDeferred: true),
     const Test(
         '''
         class C {
@@ -125,6 +139,48 @@ const Map<String, List<Test>> SEND_TESTS = const {
         ''',
         const Visit(VisitKind.VISIT_UNRESOLVED_GET,
                     name: 'o')),
+    const Test.prefix(
+        '''
+        ''',
+        'm() => p.C.o;',
+        const [
+          const Visit(VisitKind.VISIT_DYNAMIC_PROPERTY_GET,
+                      receiver: 'p.C', name: 'o'),
+          const Visit(VisitKind.VISIT_UNRESOLVED_GET, name: 'C'),
+        ]),
+    const Test.prefix(
+        '''
+        class C {
+        }
+        ''',
+        'm() => p.C.o;',
+        const Visit(VisitKind.VISIT_UNRESOLVED_GET, name: 'o')),
+    const Test.prefix(
+        '''
+        ''',
+        'm() => p.C.o;',
+        const [
+          const Visit(VisitKind.VISIT_DYNAMIC_PROPERTY_GET,
+                      receiver: 'p.C', name: 'o'),
+          const Visit(VisitKind.PREVISIT_DEFERRED_ACCESS,
+                      element: 'prefix(p)'),
+          const Visit(VisitKind.VISIT_UNRESOLVED_GET,
+                      name: 'C'),
+        ],
+        isDeferred: true),
+    const Test.prefix(
+        '''
+        class C {
+        }
+        ''',
+        'm() => p.C.o;',
+        const [
+          const Visit(VisitKind.PREVISIT_DEFERRED_ACCESS,
+                      element: 'prefix(p)'),
+          const Visit(VisitKind.VISIT_UNRESOLVED_GET,
+                      name: 'o'),
+        ],
+        isDeferred: true),
     const Test(
         '''
         class C {}
@@ -659,6 +715,35 @@ const Map<String, List<Test>> SEND_TESTS = const {
         'm() => p.o;',
         const Visit(VisitKind.VISIT_TOP_LEVEL_FIELD_GET,
                     element: 'field(o)')),
+    const Test.prefix(
+        '''
+        var o;
+        ''',
+        'm() => p.o;',
+        const [
+          const Visit(VisitKind.PREVISIT_DEFERRED_ACCESS,
+                      element: 'prefix(p)'),
+          const Visit(VisitKind.VISIT_TOP_LEVEL_FIELD_GET,
+                      element: 'field(o)'),
+        ],
+        isDeferred: true),
+    const Test.prefix(
+        '''
+        ''',
+        'm() => p.o;',
+        const Visit(VisitKind.VISIT_UNRESOLVED_GET,
+                    name: 'o')),
+    const Test.prefix(
+        '''
+        ''',
+        'm() => p.o;',
+        const [
+          const Visit(VisitKind.PREVISIT_DEFERRED_ACCESS,
+                      element: 'prefix(p)'),
+          const Visit(VisitKind.VISIT_UNRESOLVED_GET,
+                      name: 'o'),
+        ],
+        isDeferred: true),
     const Test(
         '''
         var o;