From 4ec5b39ce8bd3b13dec0ac290b2d7d29c640b304 Mon Sep 17 00:00:00 2001
From: Koichi Sasada <ko1@atdot.net>
Date: Fri, 19 Jul 2019 08:53:19 +0900
Subject: initialize only Fiber's cfp.

fiber->cont.saved_ec.cfp should be initialized by NULL
because no vm_stack is allocated. However, cont_init()
captures current Fiber's cfp for continuation, so it should
only initialize fibers.
---
 cont.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'cont.c')

diff --git a/cont.c b/cont.c
index c0be42bffc..c97c491419 100644
--- a/cont.c
+++ b/cont.c
@@ -1702,6 +1702,7 @@ fiber_t_alloc(VALUE fiber_value)
     fiber->cont.type = FIBER_CONTEXT;
     cont_init(&fiber->cont, th);
     fiber->cont.saved_ec.fiber_ptr = fiber;
+    fiber->cont.saved_ec.cfp = NULL;
     fiber->prev = NULL;
 
     /* fiber->status == 0 == CREATED
-- 
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