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, 25 insertions, 0 deletions

diff --git a/src/test/ui/methods/method-self-arg-2.rs b/src/test/ui/methods/method-self-arg-2.rs
new file mode 100644
index 000000000..0f8c048ac
--- /dev/null
+++ b/src/test/ui/methods/method-self-arg-2.rs
@@ -0,0 +1,25 @@
+// Test method calls with self as an argument cannot subvert borrow checking.
+
+
+
+struct Foo;
+
+impl Foo {
+    fn bar(&self) {}
+    fn baz(&mut self) {}
+}
+
+fn main() {
+    let mut x = Foo;
+    let y = &mut x;
+    Foo::bar(&x); //~ERROR cannot borrow `x`
+    y.use_mut();
+
+    let mut x = Foo;
+    let y = &mut x;
+    Foo::baz(&mut x); //~ERROR cannot borrow `x`
+    y.use_mut();
+}
+
+trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { }  }
+impl<T> Fake for T { }