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, 21 insertions, 0 deletions

diff --git a/src/test/ui/did_you_mean/issue-31424.rs b/src/test/ui/did_you_mean/issue-31424.rs
new file mode 100644
index 000000000..95ccf2a4c
--- /dev/null
+++ b/src/test/ui/did_you_mean/issue-31424.rs
@@ -0,0 +1,21 @@
+// forbid-output: &mut mut self
+
+struct Struct;
+
+impl Struct {
+    fn foo(&mut self) {
+        (&mut self).bar(); //~ ERROR cannot borrow
+        //~^ HELP try removing `&mut` here
+    }
+
+    // In this case we could keep the suggestion, but to distinguish the
+    // two cases is pretty hard. It's an obscure case anyway.
+    fn bar(self: &mut Self) {
+        //~^ WARN function cannot return without recursing
+        //~^^ HELP a `loop` may express intention better if this is on purpose
+        (&mut self).bar(); //~ ERROR cannot borrow
+        //~^ HELP try removing `&mut` here
+    }
+}
+
+fn main () {}