From b1d951d4626cb70375c262de9ba4a67a24d85e57 Mon Sep 17 00:00:00 2001
From: "konstantin@mysql.com" <>
Date: Wed, 23 Nov 2005 21:18:10 +0300
Subject: Always initialize THD::thread_stack: it's used in
 check_stack_overrun().

---
 sql/sql_class.cc | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'sql/sql_class.cc')

diff --git a/sql/sql_class.cc b/sql/sql_class.cc
index 82af1265a9d..edee8c8547d 100644
--- a/sql/sql_class.cc
+++ b/sql/sql_class.cc
@@ -517,6 +517,12 @@ void THD::awake(THD::killed_state state_to_set)
 
 bool THD::store_globals()
 {
+  /*
+    Assert that thread_stack is initialized: it's necessary to be able
+    to track stack overrun.
+  */
+  DBUG_ASSERT(this->thread_stack);
+
   if (my_pthread_setspecific_ptr(THR_THD,  this) ||
       my_pthread_setspecific_ptr(THR_MALLOC, &mem_root))
     return 1;
-- 
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