Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 58 insertions, 0 deletions

diff --git a/tests/ui/self/elision/ref-self.rs b/tests/ui/self/elision/ref-self.rs
new file mode 100644
index 000000000..dd07fe1b0
--- /dev/null
+++ b/tests/ui/self/elision/ref-self.rs
@@ -0,0 +1,58 @@
+#![feature(arbitrary_self_types)]
+#![allow(non_snake_case)]
+
+use std::marker::PhantomData;
+use std::ops::Deref;
+use std::pin::Pin;
+
+struct Struct { }
+
+struct Wrap<T, P>(T, PhantomData<P>);
+
+impl<T, P> Deref for Wrap<T, P> {
+    type Target = T;
+    fn deref(&self) -> &T { &self.0 }
+}
+
+impl Struct {
+    // Test using `&self` sugar:
+
+    fn ref_self(&self, f: &u32) -> &u32 {
+        f
+        //~^ ERROR lifetime may not live long enough
+    }
+
+    // Test using `&Self` explicitly:
+
+    fn ref_Self(self: &Self, f: &u32) -> &u32 {
+        f
+        //~^ ERROR lifetime may not live long enough
+    }
+
+    fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
+        f
+        //~^ ERROR lifetime may not live long enough
+    }
+
+    fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
+        f
+        //~^ ERROR lifetime may not live long enough
+    }
+
+    fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
+        f
+        //~^ ERROR lifetime may not live long enough
+    }
+
+    fn box_pin_ref_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
+        f
+        //~^ ERROR lifetime may not live long enough
+    }
+
+    fn wrap_ref_Self_Self(self: Wrap<&Self, Self>, f: &u8) -> &u8 {
+        f
+        //~^ ERROR lifetime may not live long enough
+    }
+}
+
+fn main() { }