From eda41a271ed319560f0ab111cd9566266ab1bb29 Mon Sep 17 00:00:00 2001
From: Michael Stahl <mstahl@redhat.com>
Date: Mon, 21 Aug 2017 23:05:09 +0200
Subject: [PATCH] cppuhelper: fix double checked locking in getTypeEntries()

Change-Id: I73674f0293a57ed7c4d54aa6b68ff64d5ca4e7bd
---
 cppuhelper/source/implbase_ex.cxx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cppuhelper/source/implbase_ex.cxx b/cppuhelper/source/implbase_ex.cxx
index 2b7b792e718a..d01f61983a91 100644
--- a/cppuhelper/source/implbase_ex.cxx
+++ b/cppuhelper/source/implbase_ex.cxx
@@ -105,9 +105,14 @@ static inline type_entry * getTypeEntries( class_data * cd )
                 // ref is statically held by getCppuType()
                 pEntry->m_type.typeRef = rType.getTypeLibType();
             }
+            OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
             cd->m_storedTypeRefs = true;
         }
     }
+    else
+    {
+        OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
+    }
     return pEntries;
 }