From: Adrian Prantl <aprantl@apple.com>
Date: Wed, 11 Feb 2015 17:45:08 +0000 (+0000)
Subject: Add a trackIfUnresolved to DIBuilder::createInheritance(),
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fe98d69578c96eee28117f1bb7f3fe5def866dfa;p=oota-llvm.git

Add a trackIfUnresolved to DIBuilder::createInheritance(),
tested via the clang test CodeGenCXX/vtable-holder-self-reference.cpp .

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228853 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/IR/DIBuilder.cpp b/lib/IR/DIBuilder.cpp
index 6c38197cf14..5cdb6a6487d 100644
--- a/lib/IR/DIBuilder.cpp
+++ b/lib/IR/DIBuilder.cpp
@@ -415,7 +415,9 @@ DIDerivedType DIBuilder::createInheritance(DIType Ty, DIType BaseTy,
                           .concat(Flags)
                           .get(VMContext),
                       nullptr, Ty.getRef(), BaseTy.getRef()};
-  return DIDerivedType(MDNode::get(VMContext, Elts));
+  auto R = DIDerivedType(MDNode::get(VMContext, Elts));
+  trackIfUnresolved(R);
+  return R;
 }
 
 DIDerivedType DIBuilder::createMemberType(DIDescriptor Scope, StringRef Name,