Merging upstream version 1.67.1+dfsg1.

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

1 files changed, 39 insertions, 0 deletions

diff --git a/src/test/ui/impl-trait/issues/issue-105826.rs b/src/test/ui/impl-trait/issues/issue-105826.rs
new file mode 100644
index 000000000..06dc2d4c8
--- /dev/null
+++ b/src/test/ui/impl-trait/issues/issue-105826.rs
@@ -0,0 +1,39 @@
+// check-pass
+
+use std::io::Write;
+
+struct A(Vec<u8>);
+
+struct B<'a> {
+    one: &'a mut A,
+    two: &'a mut Vec<u8>,
+    three: Vec<u8>,
+}
+
+impl<'a> B<'a> {
+    fn one(&mut self) -> &mut impl Write {
+        &mut self.one.0
+    }
+    fn two(&mut self) -> &mut impl Write {
+        &mut *self.two
+    }
+    fn three(&mut self) -> &mut impl Write {
+        &mut self.three
+    }
+}
+
+struct C<'a>(B<'a>);
+
+impl<'a> C<'a> {
+    fn one(&mut self) -> &mut impl Write {
+        self.0.one()
+    }
+    fn two(&mut self) -> &mut impl Write {
+        self.0.two()
+    }
+    fn three(&mut self) -> &mut impl Write {
+        self.0.three()
+    }
+}
+
+fn main() {}