From 63c7d9111c29e96c51768a60253ca1132165fd51 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 1 Oct 2015 15:18:42 +0000
Subject: proc.c: fix symbol proc mark

* proc.c (proc_mark): block.ep of Proc from Symbol is now NULL.
  [ruby-core:70961] [Bug #11560]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51996 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 proc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'proc.c')

diff --git a/proc.c b/proc.c
index bd4719d00f..d685fe289d 100644
--- a/proc.c
+++ b/proc.c
@@ -48,7 +48,9 @@ proc_mark(void *ptr)
     rb_proc_t *proc = ptr;
     RUBY_MARK_UNLESS_NULL(proc->block.proc);
     RUBY_MARK_UNLESS_NULL(proc->block.self);
-    RUBY_MARK_UNLESS_NULL(rb_vm_proc_envval(proc));
+    if (proc->block.ep) {
+	RUBY_MARK_UNLESS_NULL(rb_vm_proc_envval(proc));
+    }
     if (proc->block.iseq && RUBY_VM_IFUNC_P(proc->block.iseq)) {
 	rb_gc_mark((VALUE)(proc->block.iseq));
     }
-- 
cgit v1.2.3