From f5cca078e3193f1fff57545defa36d1f8ee8862f Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Sun, 5 Jan 2014 19:18:13 +0900
Subject: avoid decrimenting eidx out of ecall()

---
 src/vm.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/vm.c b/src/vm.c
index 8e2d03f88..a752c698b 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -855,12 +855,12 @@ mrb_context_run(mrb_state *mrb, struct RProc *proc, mrb_value self, unsigned int
 
     CASE(OP_EPOP) {
       /* A      A.times{ensure_pop().call} */
-      int n;
       int a = GETARG_A(i);
       mrb_callinfo *ci = mrb->c->ci;
+      int n, eidx = ci->eidx;
 
-      for (n=0; n<a && ci->eidx > ci[-1].eidx; n++) {
-        ecall(mrb, --ci->eidx);
+      for (n=0; n<a && eidx > ci[-1].eidx; n++) {
+        ecall(mrb, --eidx);
         ARENA_RESTORE(mrb, ai);
       }
       NEXT;
-- 
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