Add PNaClSjLjEH pass to implement C++ exception handling using setjmp()+longjmp()

include/llvm/InitializePasses.h

Index: include/llvm/InitializePasses.h
diff --git a/include/llvm/InitializePasses.h b/include/llvm/InitializePasses.h
index fd59d14b54569ce56eb463e9815dffacfaaafc58..f471c55cd9626565d44bd7237acbf4b895d5e06a 100644
--- a/include/llvm/InitializePasses.h
+++ b/include/llvm/InitializePasses.h
@@ -293,6 +293,7 @@ void initializeInsertDivideCheckPass(PassRegistry&);
 void initializeNaClCcRewritePass(PassRegistry&);
 void initializePNaClABIVerifyFunctionsPass(PassRegistry&);
 void initializePNaClABIVerifyModulePass(PassRegistry&);
+void initializePNaClSjLjEHPass(PassRegistry&);
 void initializePromoteI1OpsPass(PassRegistry&);
 void initializePromoteIntegersPass(PassRegistry&);
 void initializeRemoveAsmMemoryPass(PassRegistry&);