1 files changed, 9 insertions, 6 deletions
diff --git a/src/ir/localize.h b/src/ir/localize.h
index d44fb9be5..85e4415f5 100644
--- a/src/ir/localize.h
+++ b/src/ir/localize.h
@@ -153,17 +153,20 @@ struct ChildLocalizer {
       // Nothing to add.
       return parent;
     }
+    auto* block = getChildrenReplacement();
+    if (!hasUnreachableChild) {
+      block->list.push_back(parent);
+      block->finalize();
+    }
+    return block;
+  }
 
+  // Like `getReplacement`, but the result never contains the parent.
+  Block* getChildrenReplacement() {
     auto* block = Builder(wasm).makeBlock();
     block->list.set(sets);
     if (hasUnreachableChild) {
-      // If there is an unreachable child then we do not need the parent at all,
-      // and we know the type is unreachable.
       block->type = Type::unreachable;
-    } else {
-      // Otherwise, add the parent and finalize.
-      block->list.push_back(parent);
-      block->finalize();
     }
     return block;
   }