Enforce use of the forEachInstanceField ordering for constructed constants.

tests/language/const_constructor_super2_test.dart

Index: tests/language/const_constructor_super2_test.dart
diff --git a/tests/language/super_no_such_method3_test.dart b/tests/language/const_constructor_super2_test.dart
similarity index 52%
copy from tests/language/super_no_such_method3_test.dart
copy to tests/language/const_constructor_super2_test.dart
index 864fa787c95f822b89d4059dcedd8d1b5692c6ee..8832d2417ab5e811ad2f86bf45c31f416e2a5959 100644
--- a/tests/language/super_no_such_method3_test.dart
+++ b/tests/language/const_constructor_super2_test.dart
@@ -4,23 +4,26 @@
 
 import 'package:expect/expect.dart';
 
-var result;
-
 class A {
-  noSuchMethod(im) {
-    result = 42;
-  }
+  final a;
+
+  const A(this.a);
 }
 
 class B extends A {
-  noSuchMethod(im) {
-    result = 87;
-  }
+  final b;
 
-  set foo(v) => super.foo = v; /// 01: static type warning
+  const B(a, this.b) : super(a);
 }
 
-main() {
-  new B().foo = 0;           /// 01: continued
-  Expect.equals(42, result); /// 01: continued
+@NoInline()
+foo() => const B(1, 2);
+
+@NoInline()
+bar() => const B(2, 2);
+
+void main() {
+  Expect.notEquals(foo(), bar());
+  Expect.notEquals(foo().a, bar().a);
+  Expect.equals(foo().b, bar().b);
 }