Update upstream source from tag 'upstream/1.52.1+dfsg1'

[rustc.git] / src / tools / clippy / tests / ui / useful_asref.rs

diff --git a/src/tools/clippy/tests/ui/useful_asref.rs b/src/tools/clippy/tests/ui/useful_asref.rs
new file mode 100644 (file)
index 0000000..a9f0170
--- /dev/null
+++ b/src/tools/clippy/tests/ui/useful_asref.rs
@@ -0,0 +1,13 @@
+#![deny(clippy::useless_asref)]
+
+trait Trait {
+    fn as_ptr(&self);
+}
+
+impl<'a> Trait for &'a [u8] {
+    fn as_ptr(&self) {
+        self.as_ref().as_ptr();
+    }
+}
+
+fn main() {}