diff --git a/compiler/optimizing/dead_code_elimination.h b/compiler/optimizing/dead_code_elimination.h
index 84fd890..92a7f56 100644
--- a/compiler/optimizing/dead_code_elimination.h
+++ b/compiler/optimizing/dead_code_elimination.h
@@ -40,6 +40,7 @@
   void MaybeRecordSimplifyIf();
   bool RemoveDeadBlocks();
   void RemoveDeadInstructions();
+  bool SimplifyAlwaysThrows();
   bool SimplifyIfs();
   void ConnectSuccessiveBlocks();