Fix ast-based serialization of out-of-scope type parameters.

pkg/analyzer/test/src/summary/linker_test.dart

Index: pkg/analyzer/test/src/summary/linker_test.dart
diff --git a/pkg/analyzer/test/src/summary/linker_test.dart b/pkg/analyzer/test/src/summary/linker_test.dart
index becb90d96d70c49d89dade76ec61d60debd64cd1..38838767ffd7480b17d673a9b2d95ed4b711e8d1 100644
--- a/pkg/analyzer/test/src/summary/linker_test.dart
+++ b/pkg/analyzer/test/src/summary/linker_test.dart
@@ -597,4 +597,47 @@ class D extends C {
     FunctionElementForLink_FunctionTypedParam hTypeElement = hType.element;
     expect(hTypeElement.typeParameterContext, same(f));
   }
+
+  void test_typeParameter_isTypeParameterInScope_direct() {
+    createLinker('class C<T, U> {}');
+    ClassElementForLink_Class c = testLibrary.getContainedName('C');
+    TypeParameterElementForLink t = c.typeParameters[0];
+    TypeParameterElementForLink u = c.typeParameters[1];
+    expect(c.isTypeParameterInScope(t), true);
+    expect(c.isTypeParameterInScope(u), true);
+  }
+
+  void test_typeParameter_isTypeParameterInScope_indirect() {
+    createLinker('class C<T, U> { f<V, W>() {} }');
+    ClassElementForLink_Class c = testLibrary.getContainedName('C');
+    MethodElementForLink f = c.methods[0];
+    TypeParameterElementForLink t = c.typeParameters[0];
+    TypeParameterElementForLink u = c.typeParameters[1];
+    expect(f.isTypeParameterInScope(t), true);
+    expect(f.isTypeParameterInScope(u), true);
+  }
+
+  void test_typeParameter_isTypeParameterInScope_reversed() {
+    createLinker('class C<T, U> { f<V, W>() {} }');
+    ClassElementForLink_Class c = testLibrary.getContainedName('C');
+    MethodElementForLink f = c.methods[0];
+    TypeParameterElementForLink v = f.typeParameters[0];
+    TypeParameterElementForLink w = f.typeParameters[1];
+    expect(c.isTypeParameterInScope(v), false);
+    expect(c.isTypeParameterInScope(w), false);
+  }
+
+  void test_typeParameter_isTypeParameterInScope_unrelated() {
+    createLinker('class C<T, U> {} class D<V, W> {}');
+    ClassElementForLink_Class c = testLibrary.getContainedName('C');
+    ClassElementForLink_Class d = testLibrary.getContainedName('D');
+    TypeParameterElementForLink t = c.typeParameters[0];
+    TypeParameterElementForLink u = c.typeParameters[1];
+    TypeParameterElementForLink v = d.typeParameters[0];
+    TypeParameterElementForLink w = d.typeParameters[1];
+    expect(c.isTypeParameterInScope(v), false);
+    expect(c.isTypeParameterInScope(w), false);
+    expect(d.isTypeParameterInScope(t), false);
+    expect(d.isTypeParameterInScope(u), false);
+  }
 }