Collect call site information and use that for estimating parameter types

tests/compiler/dart2js_optimizer/call_site_types_1_test.dart

Index: tests/compiler/dart2js_optimizer/call_site_types_1_test.dart
diff --git a/tests/language/compile_time_constant_p_test.dart b/tests/compiler/dart2js_optimizer/call_site_types_1_test.dart
similarity index 52%
copy from tests/language/compile_time_constant_p_test.dart
copy to tests/compiler/dart2js_optimizer/call_site_types_1_test.dart
index a0ff240865f126781264a7375416950bab92f910..5de399b0c2507249ec87490ed39a7558e125492d 100644
--- a/tests/language/compile_time_constant_p_test.dart
+++ b/tests/compiler/dart2js_optimizer/call_site_types_1_test.dart
@@ -2,19 +2,16 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+// Test that different types at call sites still handles parameters correct.
 class A {
-  const A(
-    this.x  /// 01: compile-time error
-  );
-  final x = null;
+  x(p) => p[0];
 }
 
-class B extends A {
-  const B();
+f(a) {
+  Expect.isNull(a.x(new List(1)));
+  Expect.throws(() => new A().x(1), (e) => e is NoSuchMethodException);
 }
 
-var b = const B();
-
 main() {
-  Expect.equals(null, b.x);
+  f(new A());
 }