From 4e323c0a9d4f333ca6405c97893570df578dfbf8 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 9 Jan 2013 06:40:30 +0000
Subject: vm.c: initialize root_svar

* vm.c (th_init, ruby_thread_init): initialize root_svar with Qnil,
  since lep_svar_place() expects uninitialized svar to be nil, not 0.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38748 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 vm.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'vm.c')

diff --git a/vm.c b/vm.c
index 2f8d121456..e6a2a6d84f 100644
--- a/vm.c
+++ b/vm.c
@@ -1930,6 +1930,7 @@ th_init(rb_thread_t *th, VALUE self)
     th->errinfo = Qnil;
     th->last_status = Qnil;
     th->waiting_fd = -1;
+    th->root_svar = Qnil;
 
 #if OPT_CALL_THREADED_CODE
     th->retval = Qundef;
@@ -1949,6 +1950,7 @@ ruby_thread_init(VALUE self)
 
     th->top_wrapper = 0;
     th->top_self = rb_vm_top_self();
+    th->root_svar = Qnil;
     return self;
 }
 
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