Fix arena size check.

3d3ebbc9 · Carson McDonald · 12af0401 · 3d3ebbc9
Commit 3d3ebbc9 authored Feb 28, 2013 by Carson McDonald
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src/gc.c src/gc.c +1 -1

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--- 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");