add test for #113375

Fixes #113375

tests/ui/rfcs/rfc-2632-const-trait-impl/effects/ice-113375-index-out-of-bounds-generics.rs

@@ -0,0 +1,18 @@
+// check-pass
+
+// effects ice https://github.com/rust-lang/rust/issues/113375 index out of bounds
+
+#![allow(incomplete_features, unused)]
+#![feature(effects, adt_const_params)]
+
+struct Bar<T>(T);
+
+impl<T> Bar<T> {
+    const fn value() -> usize {
+        42
+    }
+}
+
+struct Foo<const N: [u8; Bar::<u32>::value()]>;
+
+pub fn main() {}