From: Zoltan Varga <vargaz@gmail.com>
Date: Wed, 9 Nov 2016 23:13:33 +0000 (-0500)
Subject: [runtime] Fix another race in mono_class_setup_supertypes ().
X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=commitdiff_plain;h=ced8026cb8c4b6f1d6636661af1ef9e4a2186232;p=mono.git

[runtime] Fix another race in mono_class_setup_supertypes ().
---

diff --git a/mono/metadata/class.c b/mono/metadata/class.c
index 7361be0af6f..7e6c401d031 100644
--- a/mono/metadata/class.c
+++ b/mono/metadata/class.c
@@ -5701,6 +5701,8 @@ mono_class_setup_supertypes (MonoClass *klass)
 
 	mono_loader_lock ();
 	klass->idepth = idepth;
+	/* Needed so idepth is visible before supertypes is set */
+	mono_memory_barrier ();
 	klass->supertypes = supertypes;
 	mono_loader_unlock ();
 }