canonicalize const

lib/runtime/dart/_interceptors.js

 var _interceptors;
 (function(exports) {
   'use strict';
   let JSArray = Array;
   let JSMutableArray$ = dart.generic(function(E) {
     class JSMutableArray extends JSArray$(E) {}
     JSMutableArray[dart.implements] = () => [JSMutableIndexable];
     return JSMutableArray;
   });
   let JSMutableArray = JSMutableArray$();
@@ skipping 702 matching lines @@
       if (endIndex == 0)
         return "";
       return result.substring(0, endIndex);
     }
     ['*'](times) {
       if (0 >= dart.notNull(times))
         return '';
       if (times == 1 || this.length == 0)
         return this;
       if (!dart.equals(times, times >>> 0)) {
-        throw new core.OutOfMemoryError();
+        throw dart.const(new core.OutOfMemoryError());
       }
       let result = '';
       let s = this;
       while (true) {
         if ((dart.notNull(times) & 1) == 1)
           result = s['+'](result);
         times = dart.as(times >>> 1, core.int);
         if (times == 0)
           break;
         s = s['+'](s);
@@ skipping 349 matching lines @@
   exports.findInterceptorForType = findInterceptorForType;
   exports.JSBool = JSBool;
   exports.JSNull = JSNull;
   exports.JSIndexable = JSIndexable;
   exports.JSMutableIndexable = JSMutableIndexable;
   exports.JSObject = JSObject;
   exports.JavaScriptObject = JavaScriptObject;
   exports.PlainJavaScriptObject = PlainJavaScriptObject;
   exports.UnknownJavaScriptObject = UnknownJavaScriptObject;
 })(_interceptors || (_interceptors = {}));