1 files changed, 5 insertions, 0 deletions
diff --git a/src/wasm-features.h b/src/wasm-features.h
index 4dd806e28..49f49db09 100644
--- a/src/wasm-features.h
+++ b/src/wasm-features.h
@@ -54,6 +54,11 @@ struct FeatureSet {
   void setSignExt(bool v = true) { set(SignExt, v); }
   void setAll(bool v = true) { features = v ? All : MVP; }
 
+  void enable(const FeatureSet& other) { features |= other.features; }
+  void disable(const FeatureSet& other) {
+    features = features & ~other.features & All;
+  }
+
   bool operator<=(const FeatureSet& other) {
     return !(features & ~other.features);
   }