Add regression test for rust-lang#104631

Signed-off-by: Yuki Okushi <[email protected]>

tests/ui/dyn-star/issue-104631.rs

@@ -0,0 +1,12 @@
+#![feature(dyn_star)]
+#![allow(incomplete_features)]
+
+use std::fmt::Debug;
+
+#[repr(C)]
+#[derive(Debug)]
+struct AlignedUsize(usize);
+
+fn main() {
+    let _x = AlignedUsize(12) as dyn* Debug; //~ ERROR: `AlignedUsize` needs to have the same ABI as a pointer
+}

tests/ui/dyn-star/issue-104631.stderr

@@ -0,0 +1,11 @@
+error[E0277]: `AlignedUsize` needs to have the same ABI as a pointer
+  --> $DIR/issue-104631.rs:11:14
+   |
+LL |     let _x = AlignedUsize(12) as dyn* Debug;
+   |              ^^^^^^^^^^^^^^^^ `AlignedUsize` needs to be a pointer-like type
+   |
+   = help: the trait `PointerLike` is not implemented for `AlignedUsize`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.