From f53ac185acbf85a781f3601695fb83359290f890 Mon Sep 17 00:00:00 2001
From: TankhouseAle <51239665+TankhouseAle@users.noreply.github.com>
Date: Mon, 3 Jun 2019 14:36:22 -0400
Subject: [PATCH] Re-add test file

---
 src/test/run-pass/ctfe/const-fn-type-name.rs | 37 ++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 src/test/run-pass/ctfe/const-fn-type-name.rs

diff --git a/src/test/run-pass/ctfe/const-fn-type-name.rs b/src/test/run-pass/ctfe/const-fn-type-name.rs
new file mode 100644
index 000000000000..2ee6415aa68b
--- /dev/null
+++ b/src/test/run-pass/ctfe/const-fn-type-name.rs
@@ -0,0 +1,37 @@
+// run-pass
+
+#![feature(core_intrinsics)]
+#![feature(const_fn)]
+#![allow(dead_code)]
+
+const fn type_name_wrapper<T>(_: &T) -> &'static str {
+    unsafe { core::intrinsics::type_name::<T>() }
+}
+
+struct Struct<TA, TB, TC> {
+    a: TA,
+    b: TB,
+    c: TC,
+}
+
+type StructInstantiation = Struct<i8, f64, bool>;
+
+const CONST_STRUCT: StructInstantiation = StructInstantiation {
+    a: 12,
+    b: 13.7,
+    c: false,
+};
+
+const CONST_STRUCT_NAME: &'static str = type_name_wrapper(&CONST_STRUCT);
+
+fn main() {
+    let non_const_struct = StructInstantiation {
+        a: 87,
+        b: 65.99,
+        c: true,
+    };
+
+    let non_const_struct_name = type_name_wrapper(&non_const_struct);
+
+    assert_eq!(CONST_STRUCT_NAME, non_const_struct_name);
+}