Vendor dependencies for 0.3.0 release

vendor/pin-project/tests/ui/pin_project/remove-attr-from-struct.rs

@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
+use std::{marker::PhantomPinned, pin::Pin};
+
+use auxiliary_macro::remove_attr;
+use pin_project::pin_project;
+
+fn is_unpin<T: Unpin>() {}
+
+#[pin_project]
+#[remove_attr(struct_all)]
+struct A {
+    #[pin] //~ ERROR cannot find attribute `pin` in this scope
+    f: PhantomPinned,
+}
+
+#[remove_attr(struct_all)]
+#[pin_project]
+struct B {
+    #[pin] //~ ERROR cannot find attribute `pin` in this scope
+    f: PhantomPinned,
+}
+
+#[pin_project] //~ ERROR has been removed
+#[remove_attr(struct_pin)]
+struct C {
+    f: PhantomPinned,
+}
+
+#[remove_attr(struct_pin)]
+#[pin_project] // Ok
+struct D {
+    f: PhantomPinned,
+}
+
+fn main() {
+    is_unpin::<A>(); //~ ERROR E0277
+    is_unpin::<B>(); //~ ERROR E0277
+    is_unpin::<D>(); // Ok
+
+    let mut x = A { f: PhantomPinned };
+    let _ = Pin::new(&mut x).project(); //~ ERROR E0277,E0599
+
+    let mut x = B { f: PhantomPinned };
+    let _ = Pin::new(&mut x).project(); //~ ERROR E0277,E0599
+
+    let mut x = D { f: PhantomPinned };
+    let _ = Pin::new(&mut x).project(); //~ Ok
+}