Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 15 insertions, 0 deletions

diff --git a/src/test/ui/autoref-autoderef/autoderef-method-twice.rs b/src/test/ui/autoref-autoderef/autoderef-method-twice.rs
new file mode 100644
index 000000000..ed86b31b8
--- /dev/null
+++ b/src/test/ui/autoref-autoderef/autoderef-method-twice.rs
@@ -0,0 +1,15 @@
+// run-pass
+#![allow(non_camel_case_types)]
+
+trait double {
+    fn double(self: Box<Self>) -> usize;
+}
+
+impl double for usize {
+    fn double(self: Box<usize>) -> usize { *self * 2 }
+}
+
+pub fn main() {
+    let x: Box<Box<_>> = Box::new(Box::new(3));
+    assert_eq!(x.double(), 6);
+}