1 files changed, 3 insertions, 1 deletions
diff --git a/src/wasm.h b/src/wasm.h
index bc39eae7b..37c12ffc6 100644
--- a/src/wasm.h
+++ b/src/wasm.h
@@ -703,11 +703,13 @@ public:
   // needed (which may require scanning the block)
   void finalize(Type type_);
 
+  enum Breakability { Unknown, HasBreak, NoBreak };
+
   // set the type given you know its type, and you know if there is a break to
   // this block. this avoids the need to scan the contents of the block in the
   // case that it might be unreachable, so it is recommended if you already know
   // the type and breakability anyhow.
-  void finalize(Type type_, bool hasBreak);
+  void finalize(Type type_, Breakability breakability);
 };
 
 class If : public SpecificExpression<Expression::IfId> {