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-rw-r--r--tests/headers/empty_template_param_name.hpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/headers/empty_template_param_name.hpp b/tests/headers/empty_template_param_name.hpp
new file mode 100644
index 00000000..b3360bc9
--- /dev/null
+++ b/tests/headers/empty_template_param_name.hpp
@@ -0,0 +1,4 @@
+template<typename...> using __void_t = void;
+
+template<typename _Iterator, typename = __void_t<>>
+ struct __iterator_traits { };