From 676604bdd2788dab707ad795e8d76e46c5f7e00e Mon Sep 17 00:00:00 2001
From: Yuki Okushi <jtitor@2k36.org>
Date: Thu, 19 May 2022 20:51:32 +0900
Subject: [PATCH] Add regression test for #88119

---
 .../ui/const-generics/issues/issue-88119.rs   | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 src/test/ui/const-generics/issues/issue-88119.rs

diff --git a/src/test/ui/const-generics/issues/issue-88119.rs b/src/test/ui/const-generics/issues/issue-88119.rs
new file mode 100644
index 0000000000000..70dfa7f708b4f
--- /dev/null
+++ b/src/test/ui/const-generics/issues/issue-88119.rs
@@ -0,0 +1,35 @@
+// check-pass
+
+#![allow(incomplete_features)]
+#![feature(const_trait_impl, generic_const_exprs)]
+
+trait ConstName {
+    const NAME_BYTES: &'static [u8];
+}
+
+impl const ConstName for u8 {
+    const NAME_BYTES: &'static [u8] = b"u8";
+}
+
+const fn name_len<T: ?Sized + ConstName>() -> usize {
+    T::NAME_BYTES.len()
+}
+
+impl<T: ?Sized + ConstName> const ConstName for &T
+where
+    [(); name_len::<T>()]:,
+{
+    const NAME_BYTES: &'static [u8] = b"&T";
+}
+
+impl<T: ?Sized + ConstName> const ConstName for &mut T
+where
+    [(); name_len::<T>()]:,
+{
+    const NAME_BYTES: &'static [u8] = b"&mut T";
+}
+
+pub const ICE_1: &'static [u8] = <&&mut u8 as ConstName>::NAME_BYTES;
+pub const ICE_2: &'static [u8] = <&mut &u8 as ConstName>::NAME_BYTES;
+
+fn main() {}