From 6c299aae67e2e0f13a470b855298bc1efb43387a Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Mon, 7 Nov 2016 00:44:08 +0900
Subject: fixed wrong stack adjustment for ensure clauses; fix #3175

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

(limited to 'src')

diff --git a/src/vm.c b/src/vm.c
index fcc69a1f9..a7418e6e7 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -1513,6 +1513,7 @@ RETRY_TRY_BLOCK:
       /* A B     return R(A) (B=normal,in-block return/break) */
       if (mrb->exc) {
         mrb_callinfo *ci;
+        mrb_value *stk;
         int eidx;
 
       L_RAISE:
@@ -1524,6 +1525,7 @@ RETRY_TRY_BLOCK:
           if (ci->ridx == 0) goto L_STOP;
           goto L_RESCUE;
         }
+        stk = mrb->c->stack;
         while (ci[0].ridx == ci[-1].ridx) {
           cipop(mrb);
           ci = mrb->c->ci;
@@ -1533,6 +1535,7 @@ RETRY_TRY_BLOCK:
             MRB_THROW(prev_jmp);
           }
           if (ci == mrb->c->cibase) {
+            mrb->c->stack = stk;
             while (eidx > 0) {
               ecall(mrb, --eidx);
             }
-- 
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