From 8d0cc57a43ba71e0f8b113069a01d08cd8b0d8ec Mon Sep 17 00:00:00 2001
From: Yukihiro Matsumoto <matz@ruby-lang.org>
Date: Sat, 2 Jun 2012 23:50:34 +0900
Subject: hash->ht might be NULL; it shouldn't though

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

(limited to 'src')

diff --git a/src/hash.c b/src/hash.c
index c61a6f7b5..4c7a64dea 100644
--- a/src/hash.c
+++ b/src/hash.c
@@ -701,7 +701,7 @@ mrb_hash_clear(mrb_state *mrb, mrb_value hash)
 {
   khash_t(ht) *h = RHASH_TBL(hash);
 
-  kh_clear(ht, h);
+  if (h) kh_clear(ht, h);
   return hash;
 }
 
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