From 254bb831d826e5a7295b7f271bbac77be9044d63 Mon Sep 17 00:00:00 2001
From: Torok Edwin <edwintorok@gmail.com>
Date: Wed, 2 Sep 2009 12:23:05 +0000
Subject: [PATCH] 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/trunk@80780 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 ba190d92301..1abeffa99ff 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;
-- 
2.34.1