diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 5ba38ee..b1e4a4e 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -845,7 +845,9 @@
   // Out-of-line definitions shouldn't be pushed into scope in C++.
   // Out-of-line variable and function definitions shouldn't even in C.
   if ((getLangOptions().CPlusPlus || isa<VarDecl>(D) || isa<FunctionDecl>(D)) &&
-      D->isOutOfLine())
+      D->isOutOfLine() &&
+      !D->getDeclContext()->getRedeclContext()->Equals(
+        D->getLexicalDeclContext()->getRedeclContext()))
     return;
 
   // Template instantiations should also not be pushed into scope.
diff --git a/test/SemaCXX/linkage-spec.cpp b/test/SemaCXX/linkage-spec.cpp
index b5a10a7..cb7e32c 100644
--- a/test/SemaCXX/linkage-spec.cpp
+++ b/test/SemaCXX/linkage-spec.cpp
@@ -89,3 +89,16 @@
 
 // PR7076
 extern "C" const char *Version_string = "2.9";
+
+namespace PR9162 {
+  extern "C" {
+    typedef struct _ArtsSink ArtsSink;
+    struct _ArtsSink {
+      int sink;
+    };
+  }
+  int arts_sink_get_type()
+  {
+    return sizeof(ArtsSink);
+  }
+}