1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/sized/dont-incompletely-prefer-built-in.rs b/tests/ui/sized/dont-incompletely-prefer-built-in.rs
new file mode 100644
index 00000000000..f5bf0c8915e
--- /dev/null
+++ b/tests/ui/sized/dont-incompletely-prefer-built-in.rs
@@ -0,0 +1,21 @@
+//@ check-pass
+//@ revisions: current next
+//@ ignore-compare-mode-next-solver (explicit revisions)
+//@[next] compile-flags: -Znext-solver
+
+struct W<T: ?Sized>(T);
+
+fn is_sized<T: Sized>(x: *const T) {}
+
+fn dummy<T: ?Sized>() -> *const T { todo!() }
+
+fn non_param_where_bound<T: ?Sized>()
+where
+    W<T>: Sized,
+{
+    let x: *const W<_> = dummy();
+    is_sized::<W<_>>(x);
+    let _: *const W<T> = x;
+}
+
+fn main() {}