PR6400: Handle an extreme edge case in mangling correctly.
llvm-svn: 96961
diff --git a/clang/test/CodeGenCXX/mangle-subst-std.cpp b/clang/test/CodeGenCXX/mangle-subst-std.cpp
index 913c8f1..062610b 100644
--- a/clang/test/CodeGenCXX/mangle-subst-std.cpp
+++ b/clang/test/CodeGenCXX/mangle-subst-std.cpp
@@ -55,3 +55,9 @@
terminate_handler set_terminate(terminate_handler) { return 0; }
}
}
+
+// Make sure we don't treat the following like std::string
+// CHECK: define void @_Z1f12basic_stringIcSt11char_traitsIcESaIcEE
+template<typename, typename, typename> struct basic_string { };
+typedef basic_string<char, std::char_traits<char>, std::allocator<char> > not_string;
+void f(not_string) { }