From c87645ba775d495513d5cb80cbfc0e973dd84ec4 Mon Sep 17 00:00:00 2001
From: Stephen Chung <schungx@live.com>
Date: Tue, 29 Jun 2021 23:29:05 +0800
Subject: [PATCH] Fix unchecked build.

---
 src/engine.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/engine.rs b/src/engine.rs
index 7cd672bb..aadecc52 100644
--- a/src/engine.rs
+++ b/src/engine.rs
@@ -718,6 +718,7 @@ pub struct Limits {
     pub max_map_size: Option<NonZeroUsize>,
 }
 
+#[cfg(not(feature = "unchecked"))]
 impl Default for Limits {
     fn default() -> Self {
         Self {