Put friend decls in the correct context.

When we find a friend declaration we have to skip transparent contexts for doing
lookups, but we should not skip them when inserting the new decl if the lookup
found nothing.

Fixes PR15841.

llvm-svn: 180571

1 files changed, 12 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/linkage2.cpp b/clang/test/SemaCXX/linkage2.cpp
index ddf4064215d..3cfa98138ba 100644
--- a/clang/test/SemaCXX/linkage2.cpp
+++ b/clang/test/SemaCXX/linkage2.cpp
@@ -152,3 +152,15 @@ namespace test15 {
   const int a = 5; // expected-note {{previous definition is here}}
   static const int a; // expected-error {{redefinition of 'a'}}
 }
+
+namespace test16 {
+  extern "C" {
+    class Foo {
+      int x;
+      friend int bar(Foo *y);
+    };
+    int bar(Foo *y) {
+      return y->x;
+    }
+  }
+}