1 files changed, 10 insertions, 2 deletions
diff --git a/src/wasm/wasm.cpp b/src/wasm/wasm.cpp
index c42a1089d..015df26ac 100644
--- a/src/wasm/wasm.cpp
+++ b/src/wasm/wasm.cpp
@@ -822,9 +822,9 @@ void RefNull::finalize() {}
 void RefIs::finalize() {
   if (value->type == Type::unreachable) {
     type = Type::unreachable;
-    return;
+  } else {
+    type = Type::i32;
   }
-  type = Type::i32;
 }
 
 void RefFunc::finalize() {
@@ -861,6 +861,14 @@ void TableSize::finalize() {
   // Nothing to do - the type must have been set already during construction.
 }
 
+void TableGrow::finalize() {
+  if (delta->type == Type::unreachable || value->type == Type::unreachable) {
+    type = Type::unreachable;
+  } else {
+    type = Type::i32;
+  }
+}
+
 void Try::finalize() {
   // If none of the component bodies' type is a supertype of the others, assume
   // the current type is already correct. TODO: Calculate a proper LUB.