Update PNaCl to LLVM/Clang/Libcxx 223109 (nacl-change)

pnacl/prune_test.py

 #!/usr/bin/python
 # Copyright (c) 2012 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Tests that a set of symbols are truly pruned from the translator.
 
 Compares the pruned down "on-device" translator with the "fat" host build
 which has not been pruned down.
 """
@@ skipping 122 matching lines @@
     """
     total = 0
     pruned_list = [
         'LLParser', 'LLLexer',
         'MCAsmParser', '::AsmParser',
         'ARMAsmParser', 'X86AsmParser',
         'ELFAsmParser', 'COFFAsmParser', 'DarwinAsmParser',
         'MCAsmLexer', '::AsmLexer',
         # Gigantic Asm MatchTable (globbed for all targets),
         'MatchTable',
-        'PBQP',
+        # Pruned out PBQP mostly, except the getCustomPBQPConstraints virtual.
+        'RegAllocPBQP', 'PBQP::RegAlloc',
         # Can only check *InstPrinter::print*, not *::getRegisterName():
         # https://code.google.com/p/nativeclient/issues/detail?id=3326
         'ARMInstPrinter::print', 'X86.*InstPrinter::print',
         # Currently pruned by hacking Triple.h. That covers most things,
         # but not all.  E.g., container-specific relocation handling.
         '.*MachObjectWriter', 'TargetLoweringObjectFileMachO',
         'MCMachOStreamer', '.*MCAsmInfoDarwin',
         '.*COFFObjectWriter', 'TargetLoweringObjectFileCOFF',
         '.*COFFStreamer', '.*AsmInfoGNUCOFF',
         # This is not pruned out: 'MCSectionMachO', 'MCSectionCOFF',
@@ skipping 17 matching lines @@
 if __name__ == '__main__':
   if len(sys.argv) != 4:
     print 'Usage: %s <nm_tool> <unpruned_host_binary> <pruned_target_binary>'
     sys.exit(1)
   suite = unittest.TestLoader().loadTestsFromTestCase(TestTranslatorPruned)
   result = unittest.TextTestRunner(verbosity=2).run(suite)
   if result.wasSuccessful():
     sys.exit(0)
   else:
     sys.exit(1)