From 2335bcd63f0f5990c372c5408521bcd3120544fe Mon Sep 17 00:00:00 2001
From: Tanya Lattner <tonic@nondot.org>
Date: Fri, 4 Sep 2009 19:27:52 +0000
Subject: [PATCH] Merge 80780 from mainline. Opaque types didn't work if
 llvm_is_multithreaded(). AlwaysOpaqueTy is always NULL at this point, and it
 causes an assertion failure. Fix it by using the just constructed tmp
 instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_26@81030 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/Type.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/VMCore/Type.cpp b/lib/VMCore/Type.cpp
index 8aaee5433da..aec26ce4865 100644
--- a/lib/VMCore/Type.cpp
+++ b/lib/VMCore/Type.cpp
@@ -492,7 +492,7 @@ void DerivedType::dropAllTypeUses() {
         tmp = AlwaysOpaqueTy;
         if (!tmp) {
           tmp = OpaqueType::get(getContext());
-          PATypeHolder* tmp2 = new PATypeHolder(AlwaysOpaqueTy);
+          PATypeHolder* tmp2 = new PATypeHolder(tmp);
           sys::MemoryFence();
           AlwaysOpaqueTy = tmp;
           Holder = tmp2;
-- 
2.50.1