1 files changed, 6 insertions, 0 deletions
diff --git a/src/wasm/wasm.cpp b/src/wasm/wasm.cpp
index cbfcbccad..d331ba3a2 100644
--- a/src/wasm/wasm.cpp
+++ b/src/wasm/wasm.cpp
@@ -359,6 +359,12 @@ void AtomicRMW::finalize() {
   }
 }
 
+void AtomicCmpxchg::finalize() {
+  if (ptr->type == unreachable || expected->type == unreachable || replacement->type == unreachable) {
+    type = unreachable;
+  }
+}
+
 Const* Const::set(Literal value_) {
   value = value_;
   type = value.type;