[build] Landmine for flaky win compile problems.

gypfiles/get_landmines.py

 #!/usr/bin/env python
 # Copyright 2014 the V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """
 This file emits the list of reasons why a particular build needs to be clobbered
 (or a list of 'landmines').
 """
 
@@ skipping 13 matching lines @@
   print 'Moar clobbering...'
   print 'Remove build/android.gypi'
   print 'Cleanup after windows ninja switch attempt.'
   print 'Switching to pinned msvs toolchain.'
   print 'Clobbering to hopefully resolve problem with mksnapshot'
   print 'Clobber after ICU roll.'
   print 'Clobber after Android NDK update.'
   print 'Clober to fix windows build problems.'
   print 'Clober again to fix windows build problems.'
   print 'Clobber to possibly resolve failure on win-32 bot.'
+  print 'Clobber for http://crbug.com/668958.'
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main())