1 files changed, 39 insertions, 0 deletions
diff --git a/test/CodeGenCXX/mangle-subst-std.cpp b/test/CodeGenCXX/mangle-subst-std.cpp
new file mode 100644
index 0000000000000..fbce20451264f
--- /dev/null
+++ b/test/CodeGenCXX/mangle-subst-std.cpp
@@ -0,0 +1,39 @@
+// RUN: clang-cc -emit-llvm %s -o - -triple=x86_64-apple-darwin9 | FileCheck %s
+
+namespace std {
+  struct A { A(); };
+  
+  // CHECK: define void @_ZNSt1AC1Ev
+  // CHECK: define void @_ZNSt1AC2Ev
+  A::A() { }
+};
+
+namespace std {
+  template<typename> struct allocator { };
+}
+
+// CHECK: define void @_Z1fSaIcESaIiE
+void f(std::allocator<char>, std::allocator<int>) { }
+
+namespace std {
+  template<typename, typename, typename> struct basic_string { };
+}
+
+// CHECK: define void @_Z1fSbIcciE
+void f(std::basic_string<char, char, int>) { }
+
+namespace std {
+  template<typename> struct char_traits { };
+  
+  typedef std::basic_string<char, std::char_traits<char>, std::allocator<char> > string;
+}
+
+// CHECK: _Z1fSs
+void f(std::string) { }
+
+namespace std {
+  template<typename, typename> struct basic_ostream { };
+}
+
+// CHECK: _Z1fSo
+void f(std::basic_ostream<char, std::char_traits<char> >) { }