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, 26 insertions, 0 deletions

diff --git a/src/test/ui/borrowck/issue-25793.rs b/src/test/ui/borrowck/issue-25793.rs
new file mode 100644
index 000000000..6c8dacc22
--- /dev/null
+++ b/src/test/ui/borrowck/issue-25793.rs
@@ -0,0 +1,26 @@
+#![feature(rustc_attrs)]
+macro_rules! width(
+    ($this:expr) => {
+        $this.width.unwrap()
+        //~^ ERROR cannot use `self.width` because it was mutably borrowed
+    }
+);
+
+struct HasInfo {
+    width: Option<usize>
+}
+
+impl HasInfo {
+    fn get_size(&mut self, n: usize) -> usize {
+        n
+    }
+
+    fn get_other(&mut self) -> usize {
+        let r = &mut *self;
+        r.get_size(width!(self))
+    }
+    // Above is like `self.get_size(width!(self))`, but it
+    // deliberately avoids NLL's two phase borrow feature.
+}
+
+fn main() { }