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, 16 insertions, 0 deletions

diff --git a/src/test/ui/did_you_mean/issue-37139.rs b/src/test/ui/did_you_mean/issue-37139.rs
new file mode 100644
index 000000000..6a19d85ff
--- /dev/null
+++ b/src/test/ui/did_you_mean/issue-37139.rs
@@ -0,0 +1,16 @@
+enum TestEnum {
+    Item(i32),
+}
+
+fn test(_: &mut i32) {
+}
+
+fn main() {
+    let mut x = TestEnum::Item(10);
+    match x {
+        TestEnum::Item(ref mut x) => {
+            test(&mut x); //~ ERROR cannot borrow `x` as mutable, as it is not declared as mutable
+            //~| HELP try removing `&mut` here
+        }
+    }
+}