diff --git a/dmd/declaration.h b/dmd/declaration.h
index bfefaddc..005a1fd0 100644
--- a/dmd/declaration.h
+++ b/dmd/declaration.h
@@ -355,6 +355,7 @@ struct VarDeclaration : Declaration
 
     // debug description
     llvm::DIVariable debugVariable;
+    llvm::DISubprogram debugFunc;
 #endif
 };