add test for #114464

Fixes #114464

tests/ui/const-generics/generic_const_exprs/convert-refree-region-vid-ice-114464.rs

@@ -0,0 +1,17 @@
+// ICE cannot convert Refree.. to a region vid
+// issue: rust-lang/rust#114464
+
+#![feature(generic_const_exprs)]
+#![allow(incomplete_features)]
+
+fn test<const N: usize>() {}
+
+fn wow<'a>() {
+    test::<{
+        let _: &'a ();
+        //~^ ERROR cannot capture late-bound lifetime in constant
+        3
+    }>();
+}
+
+fn main() {}

tests/ui/const-generics/generic_const_exprs/convert-refree-region-vid-ice-114464.stderr

@@ -0,0 +1,11 @@
+error: cannot capture late-bound lifetime in constant
+  --> $DIR/convert-refree-region-vid-ice-114464.rs:11:17
+   |
+LL | fn wow<'a>() {
+   |        -- lifetime defined here
+LL |     test::<{
+LL |         let _: &'a ();
+   |                 ^^
+
+error: aborting due to 1 previous error
+