1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/layout/debug.rs b/src/test/ui/layout/debug.rs
new file mode 100644
index 000000000..a282e7123
--- /dev/null
+++ b/src/test/ui/layout/debug.rs
@@ -0,0 +1,22 @@
+// normalize-stderr-test "pref: Align\([1-8] bytes\)" -> "pref: $$PREF_ALIGN"
+#![feature(never_type, rustc_attrs, type_alias_impl_trait)]
+#![crate_type = "lib"]
+
+#[rustc_layout(debug)]
+enum E { Foo, Bar(!, i32, i32) } //~ ERROR: layout_of
+
+#[rustc_layout(debug)]
+struct S { f1: i32, f2: (), f3: i32 } //~ ERROR: layout_of
+
+#[rustc_layout(debug)]
+union U { f1: (i32, i32), f3: i32 } //~ ERROR: layout_of
+
+#[rustc_layout(debug)]
+type Test = Result<i32, i32>; //~ ERROR: layout_of
+
+#[rustc_layout(debug)]
+type T = impl std::fmt::Debug; //~ ERROR: layout_of
+
+fn f() -> T {
+    0i32
+}