1 files changed, 13 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/c-linkage.cpp b/clang/test/CodeGenCXX/c-linkage.cpp
new file mode 100644
index 0000000..b1f07b7
--- /dev/null
+++ b/clang/test/CodeGenCXX/c-linkage.cpp
@@ -0,0 +1,13 @@
+// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s
+// pr6644
+
+extern "C" {
+  namespace N {
+    struct X { 
+      virtual void f();
+    };
+    void X::f() { }
+  }
+}
+
+// CHECK: define void @_ZN1N1X1fEv