TickProcessor script reimplemented in JavaScript.

test/mjsunit/tools/codemap.js

 // Copyright 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 96 matching lines @@
   assertEntry(codeMap, 'code1', 0x1500);
   assertEntry(codeMap, 'code2', 0x1700);
   codeMap.moveCode(0x1500, 0x1800);
   assertNoEntry(codeMap, 0x1500);
   assertEntry(codeMap, 'code2', 0x1700);
   assertEntry(codeMap, 'code1', 0x1800);
   codeMap.deleteCode(0x1700);
   assertNoEntry(codeMap, 0x1700);
   assertEntry(codeMap, 'code1', 0x1800);
 })();
+
+
+(function testDynamicNamesDuplicates() {
+  var codeMap = new devtools.profiler.CodeMap();
+  // Code entries with same names but different addresses.
+  codeMap.addCode(0x1500, newCodeEntry(0x200, 'code'));
+  codeMap.addCode(0x1700, newCodeEntry(0x100, 'code'));
+  assertEntry(codeMap, 'code', 0x1500);
+  assertEntry(codeMap, 'code {1}', 0x1700);
+})();