Roll Syzygy deps to 0.8.6.3.

chrome/tools/build/win/syzygy/instrument.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """A utility script to help building Syzygy-instrumented Chrome binaries."""
 
 import glob
 import logging
 import optparse
@@ skipping 57 matching lines @@
          '--debug-friendly',
          '--input-image=%s' % executable,
          '--input-pdb=%s' % symbol,
          '--output-image=%s' % os.path.abspath(
              os.path.join(dst_dir, os.path.basename(executable))),
          '--output-pdb=%s' % os.path.abspath(
              os.path.join(dst_dir, os.path.basename(symbol)))]
 
   if mode == "asan":
     cmd.append('--no-augment-pdb')
+    # Disable some of the new SysyASAN features. We're seeing an increase in
+    # crash rates and are wondering if they are to blame.
+    cmd.append(
+        '--asan-rtl-options="--disable_ctmalloc --disable_large_block_heap"')
 
   # If any filters were specified then pass them on to the instrumenter.
   if filter_file:
     cmd.append('--filter=%s' % os.path.abspath(filter_file))
   if allocation_filter_file:
     cmd.append('--allocation-filter-config-file=%s' %
         os.path.abspath(allocation_filter_file))
 
   return _Shell(*cmd)
 
@@ skipping 55 matching lines @@
     option_parser.error('You must provide a destination directory.')
   if options.filter and not options.output_filter_file:
     option_parser.error('You must provide a filter output file.')
 
   return options
 
 
 if '__main__' == __name__:
   logging.basicConfig(level=logging.INFO)
   sys.exit(main(_ParseOptions()))