Include weak symbols from 'nm' report. This fixes "C++" part of profiling results.

tools/tickprocessor.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 460 matching lines @@
 };
 
 
 function UnixCppEntriesProvider() {
   this.symbols = [];
   this.parsePos = 0;
 };
 inherits(UnixCppEntriesProvider, CppEntriesProvider);
 
 
-UnixCppEntriesProvider.FUNC_RE = /^([0-9a-fA-F]{8}) [tT] (.*)$/;
+UnixCppEntriesProvider.FUNC_RE = /^([0-9a-fA-F]{8}) [tTwW] (.*)$/;
 
 
 UnixCppEntriesProvider.prototype.loadSymbols = function(libName) {
   this.parsePos = 0;
   try {
     this.symbols = [
       os.system('nm', ['-C', '-n', libName], -1, -1),
       os.system('nm', ['-C', '-n', '-D', libName], -1, -1)
     ];
   } catch (e) {
@@ skipping 161 matching lines @@
 
 var params = processArguments(arguments);
 var tickProcessor = new TickProcessor(
     params.platform == 'unix' ? new UnixCppEntriesProvider() :
         new WindowsCppEntriesProvider(),
     params.separateIc,
     params.ignoreUnknown,
     params.stateFilter);
 tickProcessor.processLogFile(params.logFileName);
 tickProcessor.printStatistics();