Subzero: Embed the revision string into translated output.

pydir/run-pnacl-sz.py

 #!/usr/bin/env python2
 
 import argparse
 import itertools
 import os
 import re
 import subprocess
 import sys
 import tempfile
 
@@ skipping 146 matching lines @@
       cmd += ['-allow-pnacl-reader-error-recovery', '-threads=0']
     if not args.llvm_source:
       cmd += ['--bitcode-format=pnacl']
       if not args.no_local_syms:
         cmd += ['--allow-local-symbol-tables']
     if args.llvm or args.llvm_source:
       cmd += ['--build-on-read=0']
     else:
       cmd += ['--build-on-read=1']
     cmd += ['--filetype=' + args.filetype]
+    cmd += ['--emit-revision=0']
     script_name = os.path.basename(sys.argv[0])
     for _, arg in enumerate(args.args):
       # Redirecting the output file needs to be done through the script
       # because forceasm may introduce a new temporary file between pnacl-sz
       # and llvm-mc.  Similar issues could occur when setting filetype, target,
       # or sandbox through --args.  Filter and report an error.
       if re.search('^-?-(o|output|filetype|target|sandbox)(=.+)?$', arg):
         preferred_option = '--output' if re.search('^-?-o(=.+)?$', arg) else arg
         print 'Option should be set using:'
         print '    %s ... %s ... --args' % (script_name, preferred_option)
@@ skipping 31 matching lines @@
               [output_file_name])
 
     stdout_result = shellcmd(cmd, echo=args.echo_cmd)
     if not args.echo_cmd:
       sys.stdout.write(stdout_result)
     if asm_temp and not keep_output_file:
       os.remove(output_file_name)
 
 if __name__ == '__main__':
     main()