fix fields that override getters/setters

lib/runtime/dart/core.js

 var core;
 (function(exports) {
   'use strict';
   class Object {
     constructor() {
       let name = this.constructor.name;
       let init = this[name];
       let result = void 0;
       if (init)
         result = init.apply(this, arguments);
@@ skipping 1111 matching lines @@
     }
     dart.defineNamedConstructor(Iterable, 'generate');
     return Iterable;
   });
   let Iterable = Iterable$();
   let _Generator$ = dart.generic(function(E) {
     let _Generator = dart.typedef('_Generator', () => dart.functionType(E, [int]));
     return _Generator;
   });
   let _Generator = _Generator$();
+  let _id = dart.JsSymbol('_id');
   let _end = dart.JsSymbol('_end');
   let _start = dart.JsSymbol('_start');
   let _generator = dart.JsSymbol('_generator');
-  let _id = dart.JsSymbol('_id');
   let $iterator = dart.JsSymbol('$iterator');
   let $skip = dart.JsSymbol('$skip');
   let $take = dart.JsSymbol('$take');
   let _GeneratorIterable$ = dart.generic(function(E) {
     class _GeneratorIterable extends collection.IterableBase$(E) {
       _GeneratorIterable(end, generator) {
         this[_end] = end;
         this[_start] = 0;
         this[_generator] = dart.as(generator != null ? generator : _GeneratorIterable[_id], _Generator$(E));
         super.IterableBase();
@@ skipping 556 matching lines @@
   let _makeFragment = dart.JsSymbol('_makeFragment');
   let _pathSegments = dart.JsSymbol('_pathSegments');
   let _queryParameters = dart.JsSymbol('_queryParameters');
   let _stringOrNullLength = dart.JsSymbol('_stringOrNullLength');
   let _makeHttpUri = dart.JsSymbol('_makeHttpUri');
   let _RIGHT_BRACKET = dart.JsSymbol('_RIGHT_BRACKET');
   let _isWindows = dart.JsSymbol('_isWindows');
   let _makeWindowsFileUrl = dart.JsSymbol('_makeWindowsFileUrl');
   let _makeFileUri = dart.JsSymbol('_makeFileUri');
   let _checkNonWindowsPathReservedCharacters = dart.JsSymbol('_checkNonWindowsPathReservedCharacters');
+  let $forEach = dart.JsSymbol('$forEach');
   let _checkWindowsPathReservedCharacters = dart.JsSymbol('_checkWindowsPathReservedCharacters');
   let _checkWindowsDriveLetter = dart.JsSymbol('_checkWindowsDriveLetter');
   let _UPPER_CASE_A = dart.JsSymbol('_UPPER_CASE_A');
   let _UPPER_CASE_Z = dart.JsSymbol('_UPPER_CASE_Z');
   let _LOWER_CASE_A = dart.JsSymbol('_LOWER_CASE_A');
   let _LOWER_CASE_Z = dart.JsSymbol('_LOWER_CASE_Z');
   let _BACKSLASH = dart.JsSymbol('_BACKSLASH');
+  let $map = dart.JsSymbol('$map');
+  let $toList = dart.JsSymbol('$toList');
   let _normalizeRegName = dart.JsSymbol('_normalizeRegName');
   let _isRegNameChar = dart.JsSymbol('_isRegNameChar');
   let _PERCENT = dart.JsSymbol('_PERCENT');
   let _normalizeEscape = dart.JsSymbol('_normalizeEscape');
   let _isGeneralDelimiter = dart.JsSymbol('_isGeneralDelimiter');
   let _escapeChar = dart.JsSymbol('_escapeChar');
   let _isAlphabeticCharacter = dart.JsSymbol('_isAlphabeticCharacter');
   let _isSchemeCharacter = dart.JsSymbol('_isSchemeCharacter');
   let _normalize = dart.JsSymbol('_normalize');
   let _userinfoTable = dart.JsSymbol('_userinfoTable');
   let _pathCharOrSlashTable = dart.JsSymbol('_pathCharOrSlashTable');
   let _uriEncode = dart.JsSymbol('_uriEncode');
   let _pathCharTable = dart.JsSymbol('_pathCharTable');
   let _queryCharTable = dart.JsSymbol('_queryCharTable');
   let _isHexDigit = dart.JsSymbol('_isHexDigit');
   let _LOWER_CASE_F = dart.JsSymbol('_LOWER_CASE_F');
   let _hexValue = dart.JsSymbol('_hexValue');
   let _isUnreservedChar = dart.JsSymbol('_isUnreservedChar');
   let _unreservedTable = dart.JsSymbol('_unreservedTable');
   let _schemeTable = dart.JsSymbol('_schemeTable');
   let _genDelimitersTable = dart.JsSymbol('_genDelimitersTable');
   let _merge = dart.JsSymbol('_merge');
   let _DOT = dart.JsSymbol('_DOT');
   let _hasDotSegments = dart.JsSymbol('_hasDotSegments');
   let _removeDotSegments = dart.JsSymbol('_removeDotSegments');
+  let $isEmpty = dart.JsSymbol('$isEmpty');
+  let $removeLast = dart.JsSymbol('$removeLast');
   let _toWindowsFilePath = dart.JsSymbol('_toWindowsFilePath');
   let _toFilePath = dart.JsSymbol('_toFilePath');
   let _isPathAbsolute = dart.JsSymbol('_isPathAbsolute');
   let _addIfNonEmpty = dart.JsSymbol('_addIfNonEmpty');
   let _unreserved2396Table = dart.JsSymbol('_unreserved2396Table');
   let _uriDecode = dart.JsSymbol('_uriDecode');
   let _encodeFullTable = dart.JsSymbol('_encodeFullTable');
+  let $fold = dart.JsSymbol('$fold');
   let _SPACE = dart.JsSymbol('_SPACE');
   let _PLUS = dart.JsSymbol('_PLUS');
   let _hexCharPairToByte = dart.JsSymbol('_hexCharPairToByte');
-  let $forEach = dart.JsSymbol('$forEach');
-  let $map = dart.JsSymbol('$map');
-  let $toList = dart.JsSymbol('$toList');
-  let $isEmpty = dart.JsSymbol('$isEmpty');
-  let $removeLast = dart.JsSymbol('$removeLast');
-  let $fold = dart.JsSymbol('$fold');
   class Uri extends Object {
     get authority() {
       if (!dart.notNull(this.hasAuthority))
         return "";
       let sb = new StringBuffer();
       this[_writeAuthority](sb);
       return sb.toString();
     }
     get userInfo() {
       return this[_userInfo];
@@ skipping 1375 matching lines @@
   exports.Symbol = Symbol;
   exports.Type = Type;
   exports.$forEach = $forEach;
   exports.$map = $map;
   exports.$toList = $toList;
   exports.$isEmpty = $isEmpty;
   exports.$removeLast = $removeLast;
   exports.$fold = $fold;
   exports.Uri = Uri;
 })(core || (core = {}));