dart2dart: Support for all constants in new backend.

tests/language/const_local_test.dart

Index: tests/language/const_local_test.dart
diff --git a/tests/compiler/dart2js_extra/member_namespace_test.dart b/tests/language/const_local_test.dart
similarity index 63%
copy from tests/compiler/dart2js_extra/member_namespace_test.dart
copy to tests/language/const_local_test.dart
index ff65d20654530e198d30621434db8f6da69d48e6..bc5b71bddc8c034deb140b38765f1672e359c6f0 100644
--- a/tests/compiler/dart2js_extra/member_namespace_test.dart
+++ b/tests/language/const_local_test.dart
@@ -4,16 +4,14 @@
 
 import "package:expect/expect.dart";
 
-class A {
-  static int a;
-  A();
-  static foo() {
-    // Make sure 'A' is not resolved to the constructor.
-    return A.a;
-  }
+main() {
+    const a = 1;
+    Expect.equals(1, a);
+    Expect.equals(1, const A(a).a);
+    Expect.equals(1, const [const A(a)][0].a);
 }
 
-main() {
-  A.a = 42;
-  Expect.equals(42, A.foo());
+class A {
+    final a;
+    const A(this.a);
 }