From e56d199eb3bc85d981de5fab1fb82e0ad502575b Mon Sep 17 00:00:00 2001
From: Adrian Prantl <aprantl@apple.com>
Date: Sat, 6 Feb 2016 01:56:55 +0000
Subject: [PATCH] Relax assertion in
 ReplaceableMetadataImpl::replaceAllUsesWith(). There is a legitimate use-case
 in clang where we need to replace a temporary placeholder node with the
 temporary node that may be a forward declaration.

<rdar://problem/24493203>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@259973 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/IR/Metadata.cpp | 2 --
 1 file changed, 2 deletions(-)

diff --git a/lib/IR/Metadata.cpp b/lib/IR/Metadata.cpp
index 543eaac483d3..cc0c568c8613 100644
--- a/lib/IR/Metadata.cpp
+++ b/lib/IR/Metadata.cpp
@@ -188,8 +188,6 @@ void ReplaceableMetadataImpl::moveRef(void *Ref, void *New,
 }
 
 void ReplaceableMetadataImpl::replaceAllUsesWith(Metadata *MD) {
-  assert(!(MD && isa<MDNode>(MD) && cast<MDNode>(MD)->isTemporary()) &&
-         "Expected non-temp node");
   assert(CanReplace &&
          "Attempted to replace Metadata marked for no replacement");