From 3d3ebbc9cd3c7b745e98fd3232044fa0f97fd891 Mon Sep 17 00:00:00 2001
From: Carson McDonald <carson@ioncannon.net>
Date: Thu, 28 Feb 2013 09:24:08 -0500
Subject: Fix arena size check.

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

diff --git a/src/gc.c b/src/gc.c
index 58326d396..5cc794fd9 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -314,7 +314,7 @@ mrb_free_heap(mrb_state *mrb)
 static void
 gc_protect(mrb_state *mrb, struct RBasic *p)
 {
-  if (mrb->arena_idx > MRB_ARENA_SIZE) {
+  if (mrb->arena_idx >= MRB_ARENA_SIZE) {
     /* arena overflow error */
     mrb->arena_idx = MRB_ARENA_SIZE - 4; /* force room in arena */
     mrb_raise(mrb, E_RUNTIME_ERROR, "arena overflow error");
-- 
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