From 3f477a1a804ead812781168bd354af2adefddde8 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Tue, 12 Jan 2010 01:17:50 +0000
Subject: [PATCH] Name lookup should know better than to look into a class
 before it's defined

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@93217 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Sema/SemaLookup.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/Sema/SemaLookup.cpp b/lib/Sema/SemaLookup.cpp
index bff7881eb6..0ab01fe7f5 100644
--- a/lib/Sema/SemaLookup.cpp
+++ b/lib/Sema/SemaLookup.cpp
@@ -460,7 +460,9 @@ static bool LookupDirect(LookupResult &R, const DeclContext *DC) {
     //   name lookup. Instead, any conversion function templates visible in the
     //   context of the use are considered. [...]
     const CXXRecordDecl *Record = cast<CXXRecordDecl>(DC);
-    
+    if (!Record->isDefinition())
+      return Found;
+
     const UnresolvedSet *Unresolved = Record->getConversionFunctions();
     for (UnresolvedSet::iterator U = Unresolved->begin(), 
                               UEnd = Unresolved->end();
-- 
2.40.0