Rollup merge of #90854 - sanxiyn:unsized-and-uninhabited, r=estebank

Type can be unsized and uninhabited

Fix #88150.

1 files changed, 21 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-88150.rs b/src/test/ui/issues/issue-88150.rs
new file mode 100644
index 00000000000..555a38637a4
--- /dev/null
+++ b/src/test/ui/issues/issue-88150.rs
@@ -0,0 +1,21 @@
+// run-pass
+// compile-flags:-C debuginfo=2
+// edition:2018
+
+use core::marker::PhantomData;
+
+pub struct Foo<T: ?Sized, A>(
+    PhantomData<(A, T)>,
+);
+
+enum Never {}
+
+impl<T: ?Sized> Foo<T, Never> {
+    fn new_foo() -> Foo<T, Never> {
+        Foo(PhantomData)
+    }
+}
+
+fn main() {
+    let _ = Foo::<[()], Never>::new_foo();
+}