From 2db51b9b00a18d1931b6888958fbc54790008050 Mon Sep 17 00:00:00 2001
From: Rerumu <rerumu@protonmail.com>
Date: Thu, 16 Jun 2022 01:56:42 -0400
Subject: [PATCH] Fix `realloc` failing on no-op

---
 codegen-luajit/runtime/runtime.lua | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/codegen-luajit/runtime/runtime.lua b/codegen-luajit/runtime/runtime.lua
index 2f8d840..e04f031 100644
--- a/codegen-luajit/runtime/runtime.lua
+++ b/codegen-luajit/runtime/runtime.lua
@@ -518,6 +518,10 @@ do
 	end
 
 	function allocator.grow(memory, num)
+		if num == 0 then
+			return memory.min
+		end
+
 		local old = memory.min
 		local new = old + num