Better stack trace support

pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/utils.dart

 // Copyright (c) 2015, 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.
 part of dart._runtime;
 
 /// This library defines a set of general javascript utilities for us
 /// by the Dart runtime.
 // TODO(ochafik): Rewrite some of these in Dart when possible.
 
 defineProperty(obj, name, desc) =>
@@ skipping 42 matching lines @@
     '',
     '''(() => {
   let init = $desc.get;
     let value = null;
 
     function lazySetter(x) {
       init = null;
       value = x;
     }
     function circularInitError() {
-      $throwInternalError('circular initialization for field ' + $name);
+      $throwCyclicInitializationError($name);
     }
     function lazyGetter() {
       if (init == null) return value;
 
       // Compute and store the value, guarding against reentry.
       let f = init;
       init = circularInitError;
       lazySetter(f());
       return value;
     }
@@ skipping 43 matching lines @@
 }
 
 @JSExportName('export')
 exportProperty(to, from, name) => copyProperty(to, from, name);
 
 /// Copy properties from source to destination object.
 /// This operation is commonly called `mixin` in JS.
 copyProperties(to, from) {
   return copyTheseProperties(to, from, getOwnNamesAndSymbols(from));
 }