Set LLVM_SYMBOLIZER_PATH in test_env.py.

testing/test_env.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.
 
 """Sets environment variables needed to run a chromium unit test."""
 
 import os
 import stat
 import subprocess
@@ skipping 96 matching lines @@
     suppressions_file = os.path.join(ROOT_DIR, 'tools', 'lsan',
         'suppressions.txt')
     lsan_options = ['suppressions=%s' % suppressions_file,
                     'print_suppressions=1']
     extra_env['LSAN_OPTIONS'] = ' '.join(lsan_options)
   else:
     # ASan uses a script for offline symbolization.
     # Important note: when running ASan with leak detection enabled, we must use
     # the LSan symbolization options above.
     symbolization_options = ['symbolize=0']
+    # Set the path to llvm-symbolizer to be used by asan_symbolize.py
+    extra_env['LLVM_SYMBOLIZER_PATH'] = symbolizer_path
 
   asan_options.extend(symbolization_options)
 
   extra_env['ASAN_OPTIONS'] = ' '.join(asan_options)
 
   if sys.platform == 'darwin':
     isolate_output_dir = os.path.abspath(os.path.dirname(cmd[0]))
     # This is needed because the test binary has @executable_path embedded in it
     # it that the OS tries to resolve to the cache directory and not the mapped
     #  directory.
@@ skipping 55 matching lines @@
     print >> sys.stderr, 'Failed to start %s' % cmd
     raise
 
 
 def main():
   return run_executable(sys.argv[1:], os.environ.copy())
 
 
 if __name__ == '__main__':
   sys.exit(main())