diff --git a/src/compiler.h b/src/compiler.h
index cd2b2c8..711ee71 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -199,6 +199,7 @@
     size_t literal_offset_;
 
     friend class Compiler;
+    DISALLOW_COPY_AND_ASSIGN(PatchInformation);
   };
 
   const std::vector<const PatchInformation*>& GetCodeToPatch() const {