about summary refs log tree commit diff
path: root/tests
diff options
context:
space:
mode:
Diffstat (limited to 'tests')
-rw-r--r--tests/ui/coercion/cast-higher-ranked-unsafe-fn-ptr.rs14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/ui/coercion/cast-higher-ranked-unsafe-fn-ptr.rs b/tests/ui/coercion/cast-higher-ranked-unsafe-fn-ptr.rs
new file mode 100644
index 00000000000..19723bee4d4
--- /dev/null
+++ b/tests/ui/coercion/cast-higher-ranked-unsafe-fn-ptr.rs
@@ -0,0 +1,14 @@
+//@ check-pass
+
+fn higher_ranked_fndef(ctx: &mut ()) {}
+
+fn test(higher_ranked_fnptr: fn(&mut ())) {
+    fn as_unsafe<T>(_: unsafe fn(T)) {}
+
+    // Make sure that we can cast higher-ranked fn items and pointers to
+    // a non-higher-ranked target.
+    as_unsafe(higher_ranked_fndef);
+    as_unsafe(higher_ranked_fnptr);
+}
+
+fn main() {}