add tests for niches in pointers

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/ui/structs-enums/type-sizes.rs b/tests/ui/structs-enums/type-sizes.rs
index 1961f10bd0a..a8fadcc1d1e 100644
--- a/tests/ui/structs-enums/type-sizes.rs
+++ b/tests/ui/structs-enums/type-sizes.rs
@@ -5,6 +5,7 @@
 #![allow(dead_code)]
 #![feature(never_type)]
 #![feature(pointer_is_aligned_to)]
+#![feature(rustc_attrs)]
 
 use std::mem::size_of;
 use std::num::NonZero;
@@ -237,6 +238,10 @@ struct VecDummy {
     len: usize,
 }
 
+#[rustc_layout_scalar_valid_range_start(1)]
+#[rustc_layout_scalar_valid_range_end(100)]
+struct PointerWithRange(#[allow(dead_code)] *const u8);
+
 pub fn main() {
     assert_eq!(size_of::<u8>(), 1 as usize);
     assert_eq!(size_of::<u32>(), 4 as usize);
@@ -354,4 +359,6 @@ pub fn main() {
     assert!(ptr::from_ref(&v.a).addr() > ptr::from_ref(&v.b).addr());
 
 
+    assert_eq!(size_of::<Option<PointerWithRange>>(), size_of::<PointerWithRange>());
+    assert_eq!(size_of::<Option<Option<PointerWithRange>>>(), size_of::<PointerWithRange>());
 }