Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/tests/ui/functions-closures/fn-item-type-cast.rs b/tests/ui/functions-closures/fn-item-type-cast.rs
new file mode 100644
index 000000000..4d50ea97b
--- /dev/null
+++ b/tests/ui/functions-closures/fn-item-type-cast.rs
@@ -0,0 +1,22 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(unused_variables)]
+// Test explicit coercions from a fn item type to a fn pointer type.
+
+
+fn foo(x: isize) -> isize { x * 2 }
+fn bar(x: isize) -> isize { x * 4 }
+type IntMap = fn(isize) -> isize;
+
+fn eq<T>(x: T, y: T) { }
+
+static TEST: Option<IntMap> = Some(foo as IntMap);
+
+fn main() {
+    let f = foo as IntMap;
+
+    let f = if true { foo as IntMap } else { bar as IntMap };
+    assert_eq!(f(4), 8);
+
+    eq(foo as IntMap, bar as IntMap);
+}