Add 93882

Issue: rust-lang/rust#93882

Author: fanninpm

ices/93882.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+cat > out.rs <<'EOF'
+#![feature(generic_const_exprs)]
+pub trait Const {
+    const N: usize;
+}
+pub trait Arr<T>: Const {
+    type Arr;
+}
+impl<T, C: Const> Arr<T> for C
+where
+    [T; C::N]:,
+{
+    type Arr = [T; C::N];
+}
+EOF
+
+rustdoc --edition=2021 out.rs