Add a testcase that we already get right but was not being tested. Found
by a chrome build on OS X. Thanks to Nico Weber for testing a patch and
providing the .ii file.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155326 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/visibility.cpp b/test/CodeGenCXX/visibility.cpp
index 27923c5..b9ed373 100644
--- a/test/CodeGenCXX/visibility.cpp
+++ b/test/CodeGenCXX/visibility.cpp
@@ -672,3 +672,13 @@
   // CHECK: define weak_odr void @_ZN6test333fooINS_3zedEE3barEv
   // CHECK-HIDDEN: define weak_odr void @_ZN6test333fooINS_3zedEE3barEv
 }
+
+namespace test34 {
+  struct foo {
+  };
+  template<class T>
+  void bar() {}
+  template DEFAULT void bar<foo>();
+  // CHECK: define weak_odr void @_ZN6test343barINS_3fooEEEvv
+  // CHECK-HIDDEN: define weak_odr void @_ZN6test343barINS_3fooEEEvv
+}