From 5d67d9b10da2cae489d34f8b31914f081d80889b Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Fri, 21 Apr 2017 10:31:09 +0900
Subject: Fixed a possible memory leak.

---
 src/vm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/vm.c')

diff --git a/src/vm.c b/src/vm.c
index adc345439..d60e90f72 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -257,8 +257,8 @@ MRB_API void
 mrb_env_unshare(mrb_state *mrb, struct REnv *e)
 {
   size_t len = (size_t)MRB_ENV_STACK_LEN(e);
-  mrb_value *p = (mrb_value *)mrb_malloc(mrb, sizeof(mrb_value)*len);
   ptrdiff_t cioff = e->cioff;
+  mrb_value *p;
 
   if (!MRB_ENV_STACK_SHARED_P(e)) return;
   MRB_ENV_UNSHARE_STACK(e);
@@ -266,6 +266,7 @@ mrb_env_unshare(mrb_state *mrb, struct REnv *e)
     /* save block argument position (negated) */
     e->cioff = -mrb->c->cibase[cioff].argc-1;
   }
+  p = (mrb_value *)mrb_malloc(mrb, sizeof(mrb_value)*len);
   if (len > 0) {
     stack_copy(p, e->stack, len);
   }
-- 
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