From b8aaaafb680b08efa8f2c747cec64cec1d3fab90 Mon Sep 17 00:00:00 2001
From: Lorenzo Stanco <lorenzo.stanco@gmail.com>
Date: Wed, 31 Oct 2018 15:57:02 +0100
Subject: [PATCH] Check the type before reusing a NumberValueEntry

Fixes #20
---
 src/core/org/luaj/vm2/LuaTable.java | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/core/org/luaj/vm2/LuaTable.java b/src/core/org/luaj/vm2/LuaTable.java
index 054d953d..d95e261c 100644
--- a/src/core/org/luaj/vm2/LuaTable.java
+++ b/src/core/org/luaj/vm2/LuaTable.java
@@ -1246,13 +1246,14 @@ public class LuaTable extends LuaValue implements Metatable {
 		}
 
 		public Entry set(LuaValue value) {
-			LuaValue n = value.tonumber();
-			if ( !n.isnil() ) {
-				this.value = n.todouble();
-				return this;
-			} else {
-				return new NormalEntry( this.key, value );
+			if (value.type() == TNUMBER) {
+				LuaValue n = value.tonumber();
+				if (!n.isnil()) {
+					this.value = n.todouble();
+					return this;
+				}
 			}
+			return new NormalEntry( this.key, value );
 		}
 
 		public int keyindex( int mask ) {