Some constructor fixes: implement redirecting constructors, work with finding default constructors …

tests/compiler/dart2js/kernel/constructors_test.dart

Index: tests/compiler/dart2js/kernel/constructors_test.dart
diff --git a/tests/compiler/dart2js/kernel/constructors_test.dart b/tests/compiler/dart2js/kernel/constructors_test.dart
index 1d30c1c548c02003058b1b7c0320a8f1bfccbff6..af38ebd3c2008ed02e3708a062d4e3e1712868ca 100644
--- a/tests/compiler/dart2js/kernel/constructors_test.dart
+++ b/tests/compiler/dart2js/kernel/constructors_test.dart
@@ -33,6 +33,19 @@ main() {
 }''';
     return check(code, lookup: defaultConstructorFor('A'));
   });
+
+test('redirecting constructor with field', () {
+    String code = '''
+class Foo {
+  final int value;
+  const Foo({int number: 0}) : this.poodle(number * 2);
+  const Foo.poodle(this.value);
+}
+
+main() => new Foo(number: 3);
+''';
+    return check(code, lookup: defaultConstructorFor('Foo'));
+  });
 }
 
 defaultConstructorFor(String className) => (Compiler compiler) {