Expose sjlj preparation through opt for my own debugging purposes

llvm-svn: 241864
diff --git a/llvm/tools/opt/opt.cpp b/llvm/tools/opt/opt.cpp
index 55426e7..0db60d1 100644
--- a/llvm/tools/opt/opt.cpp
+++ b/llvm/tools/opt/opt.cpp
@@ -324,6 +324,7 @@
   initializeRewriteSymbolsPass(Registry);
   initializeWinEHPreparePass(Registry);
   initializeDwarfEHPreparePass(Registry);
+  initializeSjLjEHPreparePass(Registry);
 
 #ifdef LINK_POLLY_INTO_TOOLS
   polly::initializePollyPasses(Registry);