Removed some handlers and made regexp.test avoid creating a result array.

src/regexp-delay.js

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 178 matching lines @@
 
   if (this.global)
     this.lastIndex = lastMatchInfo[CAPTURE1];
   result.index = lastMatchInfo[CAPTURE0];
   result.input = s;
   return result;
 }
 
 
 // Section 15.10.6.3 doesn't actually make sense, but the intention seems to be
-// that test is defined in terms of String.prototype.exec even if it changes.
+// that test is defined in terms of String.prototype.exec even if the method is
+// called on a non-RegExp object. However, it probably means the original 
+// value of String.prototype.exec, which is what everybody else implements.
 function RegExpTest(string) {
-  var result = (%_ArgumentsLength() == 0) ? this.exec() : this.exec(string);
-  return result != null;
+  if (%_ArgumentsLength() == 0) {
+    var regExpInput = LAST_INPUT(lastMatchInfo);
+    if (IS_UNDEFINED(regExpInput)) {
+      throw MakeError('no_input_to_regexp', [this]);
+    }
+    string = regExpInput;
+  }
+  var s = ToString(string);
+  var length = s.length;
+  var lastIndex = this.lastIndex;
+  var i = this.global ? TO_INTEGER(lastIndex) : 0;
+
+  if (i < 0 || i > s.length) {
+    this.lastIndex = 0;
+    return false;
+  }
+
+  %_Log('regexp', 'regexp-exec,%0r,%1S,%2i', [this, s, lastIndex]);
+  // matchIndices is either null or the lastMatchInfo array.
+  var matchIndices = %RegExpExec(this, s, i, lastMatchInfo);
+
+  if (matchIndices == null) {
+    if (this.global) this.lastIndex = 0;
+    return false;
+  }
+  return true;
 }
 
 
 function RegExpToString() {
   // If this.source is an empty string, output /(?:)/.
   // http://bugzilla.mozilla.org/show_bug.cgi?id=225550
   // ecma_2/RegExp/properties-001.js.
   var src = this.source ? this.source : '(?:)';
   var result = '/' + src + '/';
   if (this.global)
@@ skipping 156 matching lines @@
   %DefineAccessor($RegExp, "$'", SETTER, NoOpSetter, DONT_ENUM | DONT_DELETE);
 
   for (var i = 1; i < 10; ++i) {
     %DefineAccessor($RegExp, '$' + i, GETTER, RegExpMakeCaptureGetter(i), DONT_DELETE);
     %DefineAccessor($RegExp, '$' + i, SETTER, NoOpSetter, DONT_DELETE);
   }
 }
 
 
 SetupRegExp();