Serialize typedef parameters (including function typed ones) to Kernel and use it to resynthesize t…

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

Index: pkg/analyzer/test/src/summary/resynthesize_common.dart
diff --git a/pkg/analyzer/test/src/summary/resynthesize_common.dart b/pkg/analyzer/test/src/summary/resynthesize_common.dart
index 0449014e120afccec87512bd4410c98a1be362dd..746fb82833a000a53e8f9b0d020d817450a43623 100644
--- a/pkg/analyzer/test/src/summary/resynthesize_common.dart
+++ b/pkg/analyzer/test/src/summary/resynthesize_common.dart
@@ -9435,6 +9435,13 @@ typedef dynamic F(dynamic x, dynamic y);
 ''');
   }
 
+  test_typedef_parameters_named() async {
+    var library = await checkLibrary('typedef F({y, z, x});');
+    checkElementText(library, r'''
+typedef dynamic F({dynamic y}, {dynamic z}, {dynamic x});
+''');
+  }
+
   test_typedef_return_type() async {
     var library = await checkLibrary('typedef int F();');
     checkElementText(library, r'''