Skip through transparent contexts when deciding where to add a friend function.
This fixes g++.dg/parse/friend5.C.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152938 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index 79a5d4c..c8c3af3 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -10060,7 +10060,7 @@
       // declarations should stop at the nearest enclosing namespace,
       // not that they should only consider the nearest enclosing
       // namespace.
-      while (DC->isRecord()) 
+      while (DC->isRecord() || DC->isTransparentContext()) 
         DC = DC->getParent();
 
       LookupQualifiedName(Previous, DC);