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

include/llvm/Transforms/NaCl.h

Index: include/llvm/Transforms/NaCl.h
diff --git a/include/llvm/Transforms/NaCl.h b/include/llvm/Transforms/NaCl.h
index e1be3cf85b328768481150d822ff8fd1f9abd77b..ba85c592f51e6a2503303d241cad413d6a5b3832 100644
--- a/include/llvm/Transforms/NaCl.h
+++ b/include/llvm/Transforms/NaCl.h
@@ -41,6 +41,7 @@ ModulePass *createExpandTlsPass();
 ModulePass *createExpandVarArgsPass();
 ModulePass *createFlattenGlobalsPass();
 ModulePass *createGlobalCleanupPass();
+ModulePass *createPNaClSjLjEHPass();
 ModulePass *createReplacePtrsWithIntsPass();
 ModulePass *createResolveAliasesPass();
 ModulePass *createRewriteAtomicsPass();