From 419cbb3aa95efa37b307568d06c0e0bf739c8c38 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Thu, 21 Jan 2010 15:29:23 +0100
Subject: [PATCH] Fix ordered string comparisons. Unsigned arithmetic is evil.

---
 src/lj_str.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lj_str.c b/src/lj_str.c
index f142b8e7..78f81e6a 100644
--- a/src/lj_str.c
+++ b/src/lj_str.c
@@ -37,7 +37,7 @@ int32_t LJ_FASTCALL lj_str_cmp(GCstr *a, GCstr *b)
 	va >>= 32+(i<<3); vb >>= 32+(i<<3);
 	if (va == vb) break;
       }
-      return (int32_t)(va - vb);
+      return va < vb ? -1 : 1;
     }
   }
   return (int32_t)(a->len - b->len);