Land patch by Pavel Podivilov (podivilov@chromium.org).

test/mjsunit/string-index.js

 // Copyright 2008 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 148 matching lines @@
   var c = String.fromCharCode(i);
   alpha[i] = c[0];
 }
 var alphaStr = alpha.join("");
 
 // Now test chars.
 for (var i = 1; i < 128; i++) {
   assertEquals(alpha[i], alphaStr[i]);
   assertEquals(String.fromCharCode(i), alphaStr[i]);
 }
+
+// Test for keyed ic.
+var foo = ['a12', ['a', 2, 'c'], 'a31', 42];
+var results = [1, 2, 3, NaN];
+for (var i = 0; i < 200; ++i) {
+  var index = Math.floor(i / 50);
+  var receiver = foo[index];
+  var expected = results[index];
+  var actual = +(receiver[1]);
+  assertEquals(expected, actual);
+}
+
+var keys = [0, '1', 2, 3.0];
+var str = 'abcd', arr = ['a', 'b', 'c', 'd'];
+for (var i = 0; i < 200; ++i) {
+  var index = Math.floor(i / 50);
+  var key = keys[index];
+  var expected = arr[index];
+  var actual = str[key];
+  assertEquals(expected, actual);
+}