diff --git a/lld/wasm/Config.h b/lld/wasm/Config.h
index 68b09a6..f18debf 100644
--- a/lld/wasm/Config.h
+++ b/lld/wasm/Config.h
@@ -62,6 +62,8 @@
   unsigned ltoo;
   unsigned optimize;
   llvm::StringRef thinLTOJobs;
+  bool ltoNewPassManager;
+  bool ltoDebugPassManager;
   UnresolvedPolicy unresolvedSymbols;
 
   llvm::StringRef entry;