1 files changed, 16 insertions, 0 deletions
diff --git a/tests/mir-opt/lower_array_len.rs b/tests/mir-opt/lower_array_len.rs
index ea0224b21..972d46cb8 100644
--- a/tests/mir-opt/lower_array_len.rs
+++ b/tests/mir-opt/lower_array_len.rs
@@ -31,10 +31,26 @@ pub fn array_len_by_value<const N: usize>(arr: [u8; N]) -> usize {
     arr.len()
 }
 
+// EMIT_MIR lower_array_len.array_len_reborrow.NormalizeArrayLen.diff
+pub fn array_len_reborrow<const N: usize>(mut arr: [u8; N]) -> usize {
+    let arr: &mut [_] = &mut arr;
+    let arr = &*arr;
+    arr.len()
+}
+
+// EMIT_MIR lower_array_len.array_len_raw.NormalizeArrayLen.diff
+pub fn array_len_raw<const N: usize>(arr: [u8; N]) -> usize {
+    let arr: &[_] = &arr;
+    let arr = std::ptr::addr_of!(*arr);
+    unsafe { &*arr }.len()
+}
+
 fn main() {
     let _ = array_bound(3, &[0, 1, 2, 3]);
     let mut tmp = [0, 1, 2, 3, 4];
     let _ = array_bound_mut(3, &mut [0, 1, 2, 3]);
     let _ = array_len(&[0]);
     let _ = array_len_by_value([0, 2]);
+    let _ = array_len_reborrow([0, 2]);
+    let _ = array_len_raw([0, 2]);
 }