1 files changed, 2 insertions, 2 deletions
diff --git a/src/ir/cost.h b/src/ir/cost.h
index 60eb84b08..79be195f7 100644
--- a/src/ir/cost.h
+++ b/src/ir/cost.h
@@ -188,7 +188,7 @@ struct CostAnalyzer : public Visitor<CostAnalyzer, Index> {
       case WidenHighUVecI16x8ToVecI32x4:
         return 1;
       case InvalidUnary:
-        WASM_UNREACHABLE();
+        WASM_UNREACHABLE("invalid unary op");
     }
     return ret + visit(curr->value);
   }
@@ -709,7 +709,7 @@ struct CostAnalyzer : public Visitor<CostAnalyzer, Index> {
         ret = 1;
         break;
       case InvalidBinary:
-        WASM_UNREACHABLE();
+        WASM_UNREACHABLE("invalid binary op");
     }
     return ret + visit(curr->left) + visit(curr->right);
   }