Convert top-level inference errors to hints

pkg/analyzer/test/generated/hint_code_test.dart

Index: pkg/analyzer/test/generated/hint_code_test.dart
diff --git a/pkg/analyzer/test/generated/hint_code_test.dart b/pkg/analyzer/test/generated/hint_code_test.dart
index fd3bf9d14e2c61a9496ebf342bae47d66225d04e..93ea7b340d16dbd44fe3fcd0bff55732f03d3b70 100644
--- a/pkg/analyzer/test/generated/hint_code_test.dart
+++ b/pkg/analyzer/test/generated/hint_code_test.dart
@@ -2499,10 +2499,10 @@ class C {
     verify([source]);
   }
 
-  test_strongMode_downCastCompositeNoHint() async {
+  test_strongMode_downCastCompositeHint() async {
     AnalysisOptionsImpl options = new AnalysisOptionsImpl();
     options.strongMode = true;
-    options.strongModeHints = false;
+    options.strongModeHints = true;
     resetWith(options: options);
     Source source = addSource(r'''
 main() {
@@ -2511,14 +2511,14 @@ main() {
   print(list);
 }''');
     await computeAnalysisResult(source);
-    assertNoErrors(source);
+    assertErrors(source, [StrongModeCode.DOWN_CAST_COMPOSITE]);
     verify([source]);
   }
 
-  test_strongMode_downCastCompositeHint() async {
+  test_strongMode_downCastCompositeNoHint() async {
     AnalysisOptionsImpl options = new AnalysisOptionsImpl();
     options.strongMode = true;
-    options.strongModeHints = true;
+    options.strongModeHints = false;
     resetWith(options: options);
     Source source = addSource(r'''
 main() {
@@ -2527,7 +2527,7 @@ main() {
   print(list);
 }''');
     await computeAnalysisResult(source);
-    assertErrors(source, [StrongModeCode.DOWN_CAST_COMPOSITE]);
+    assertNoErrors(source);
     verify([source]);
   }
 
@@ -2554,6 +2554,20 @@ main() {
     verify([source]);
   }
 
+  test_strongMode_topLevelInstanceGetter() async {
+    resetWith(options: new AnalysisOptionsImpl()..strongMode = true);
+    Source source = addSource(r'''
+class A {
+  int get g => 0;
+}
+var a = new A();
+var b = a.g;
+''');
+    await computeAnalysisResult(source);
+    assertErrors(source, [StrongModeCode.TOP_LEVEL_INSTANCE_GETTER]);
+    verify([source]);
+  }
+
   test_typeCheck_type_is_Null() async {
     Source source = addSource(r'''
 m(i) {