1 files changed, 4 insertions, 1 deletions
diff --git a/src/wasm-features.h b/src/wasm-features.h
index cda3ce447..366b75200 100644
--- a/src/wasm-features.h
+++ b/src/wasm-features.h
@@ -193,9 +193,12 @@ struct FeatureSet {
     return *this;
   }
 
-  FeatureSet operator-(FeatureSet& other) const {
+  FeatureSet operator-(const FeatureSet& other) const {
     return features & ~other.features;
   }
+  FeatureSet operator-(Feature other) const {
+    return *this - FeatureSet(other);
+  }
 
   uint32_t features;
 };