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-rw-r--r--clang/test/CodeGenCXX/mangle.cpp9
1 files changed, 9 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/mangle.cpp b/clang/test/CodeGenCXX/mangle.cpp
index 86f5fb0d5bb..a881a710d49 100644
--- a/clang/test/CodeGenCXX/mangle.cpp
+++ b/clang/test/CodeGenCXX/mangle.cpp
@@ -198,3 +198,12 @@ template<typename T> typename __enable_if<__is_scalar<T>::__value, void>::__type
template void ft7<int>();
// CHECK: @_Z3ft7IPvEN11__enable_ifIXsr11__is_scalarIT_E7__valueEvE6__typeEv
template void ft7<void*>();
+
+// PR5144
+extern "C" {
+void extern_f(void);
+};
+
+// CHECK: @extern_f
+void extern_f(void) { }
+
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