Add static type checking of "yield" statements to analyzer.

pkg/analyzer/lib/src/generated/testing/test_type_provider.dart

Index: pkg/analyzer/lib/src/generated/testing/test_type_provider.dart
diff --git a/pkg/analyzer/lib/src/generated/testing/test_type_provider.dart b/pkg/analyzer/lib/src/generated/testing/test_type_provider.dart
index 099e50c143bb0413f9397756f657ce9147c71d68..7df920aed0b601c642159f776be1893b81699b86 100644
--- a/pkg/analyzer/lib/src/generated/testing/test_type_provider.dart
+++ b/pkg/analyzer/lib/src/generated/testing/test_type_provider.dart
@@ -62,6 +62,11 @@ class TestTypeProvider implements TypeProvider {
   InterfaceType _intType;
 
   /**
+   * The type representing 'Iterable<dynamic>'
+   */
+  InterfaceType _iterableDynamicType;
+
+  /**
    * The type representing the built-in type 'Iterable'.
    */
   InterfaceType _iterableType;
@@ -102,6 +107,16 @@ class TestTypeProvider implements TypeProvider {
   InterfaceType _stackTraceType;
 
   /**
+   * The type representing 'Stream<dynamic>'.
+   */
+  InterfaceType _streamDynamicType;
+
+  /**
+   * The type representing the built-in type 'Stream'.
+   */
+  InterfaceType _streamType;
+
+  /**
    * The type representing the built-in type 'String'.
    */
   InterfaceType _stringType;
@@ -205,6 +220,15 @@ class TestTypeProvider implements TypeProvider {
     return _intType;
   }
 
+  @override
+  InterfaceType get iterableDynamicType {
+    if (_iterableDynamicType == null) {
+      _iterableDynamicType = iterableType.substitute4(<DartType>[dynamicType]);
+    }
+    return _iterableDynamicType;
+  }
+
+  @override
   InterfaceType get iterableType {
     if (_iterableType == null) {
       ClassElementImpl iterableElement =
@@ -329,6 +353,22 @@ class TestTypeProvider implements TypeProvider {
   }
 
   @override
+  InterfaceType get streamDynamicType {
+    if (_streamDynamicType == null) {
+      _streamDynamicType = streamType.substitute4(<DartType>[dynamicType]);
+    }
+    return _streamDynamicType;
+  }
+
+  @override
+  InterfaceType get streamType {
+    if (_streamType == null) {
+      _streamType = ElementFactory.classElement2("Stream", ["T"]).type;
+    }
+    return _streamType;
+  }
+
+  @override
   InterfaceType get stringType {
     if (_stringType == null) {
       _stringType = ElementFactory.classElement2("String").type;