Use correct types on cloned constructors in mixin applications.

pkg/front_end/test/fasta/rasta/issue_000067.dart.direct.expect

Index: pkg/front_end/test/fasta/rasta/issue_000067.dart.direct.expect
diff --git a/pkg/front_end/test/fasta/rasta/issue_000067.dart.direct.expect b/pkg/front_end/test/fasta/rasta/issue_000067.dart.direct.expect
index 26c72196f747d0ed403171cfd6d8c671671535b0..872d85fa5ae6ebda1eb81ae46299f17afb0a3d2c 100644
--- a/pkg/front_end/test/fasta/rasta/issue_000067.dart.direct.expect
+++ b/pkg/front_end/test/fasta/rasta/issue_000067.dart.direct.expect
@@ -4,17 +4,19 @@ import "dart:core" as core;
 import "package:expect/expect.dart" as exp;
 
 class A extends core::Object {
+  static field dynamic _redirecting# = <dynamic>[self::A::foo];
   constructor •() → void
     : super core::Object::•() {}
   static factory foo() → self::A
-    invalid-statement;
+    let final dynamic #t1 = self::C::bar in invalid-expression;
   method m() → core::int {}
 }
 class C extends self::A {
+  static field dynamic _redirecting# = <dynamic>[self::C::bar];
   constructor •() → void
     : super self::A::•() {}
   static factory bar() → self::D
-    throw "Missing constructor: D";
+    let final dynamic #t2 = self::D::• in invalid-expression;
   method m() → core::int {
     return 1;
   }