1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/consts/const-unsafe-fn.rs b/tests/ui/consts/const-unsafe-fn.rs
new file mode 100644
index 000000000..72ce73f74
--- /dev/null
+++ b/tests/ui/consts/const-unsafe-fn.rs
@@ -0,0 +1,21 @@
+// run-pass
+#![allow(dead_code)]
+// A quick test of 'unsafe const fn' functionality
+
+const unsafe fn dummy(v: u32) -> u32 {
+    !v
+}
+
+struct Type;
+impl Type {
+    const unsafe fn new() -> Type {
+        Type
+    }
+}
+
+const VAL: u32 = unsafe { dummy(0xFFFF) };
+const TYPE_INST: Type = unsafe { Type::new() };
+
+fn main() {
+    assert_eq!(VAL, 0xFFFF0000);
+}