Produce the correct assertion failure expression in the face of inlining

tests/language/vm/regress_27671_other.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // 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.
 
-import 'export_order_helper1.dart';
+import 'regress_27671_test.dart';
 
-class Info {
-  int x = y;
+@AlwaysInline
+void check(f, x) {
+  assert(f(x) && true);
 }
-
-int get z => 38;