Fix test

Author: roxelo

src/test/ui/closures/2229_closure_analysis/issue-88118-2.rs

@@ -1,5 +1,8 @@
 // edition:2021
+// run-pass
 #![feature(if_let_guard)]
+#[allow(unused_must_use)]
+#[allow(dead_code)]
 
 fn print_error_count(registry: &Registry) {
     |x: &Registry| {

src/test/ui/closures/2229_closure_analysis/issue-88118-2.stderr

@@ -1,5 +1,5 @@
 warning: irrefutable `if let` guard pattern
-  --> $DIR/issue-88118-2.rs:7:29
+  --> $DIR/issue-88118-2.rs:10:29
    |
 LL |             Registry if let _ = registry.try_find_description() => { }
    |                             ^
@@ -8,12 +8,5 @@ LL |             Registry if let _ = registry.try_find_description() => { }
    = note: this pattern will always match, so the guard is useless
    = help: consider removing the guard and adding a `let` inside the match arm
 
-error[E0507]: cannot move out of `*registry` which is behind a shared reference
-  --> $DIR/issue-88118-2.rs:7:33
-   |
-LL |             Registry if let _ = registry.try_find_description() => { }
-   |                                 ^^^^^^^^ move occurs because `*registry` has type `Registry`, which does not implement the `Copy` trait
-
-error: aborting due to previous error; 1 warning emitted
+warning: 1 warning emitted
 
-For more information about this error, try `rustc --explain E0507`.