Rollup merge of #120485 - chenyukang:yukang-add-query-instability-check, r=michaelwoerister

add missing potential_query_instability for keys and values in hashmap

From https://github.com/rust-lang/rust/pull/120435#discussion_r1468883787,

These API are also returning iterator, so we need add `potential_query_instability` for them?

compiler/rustc_codegen_ssa/src/assert_module_sources.rs

@@ -267,6 +267,7 @@ impl CguReuseTracker {
 
     fn check_expected_reuse(&self, sess: &Session) {
         if let Some(ref data) = self.data {
+            #[allow(rustc::potential_query_instability)]
             let mut keys = data.expected_reuse.keys().collect::<Vec<_>>();
             keys.sort_unstable();
             for cgu_name in keys {