1 files changed, 38 insertions, 0 deletions
diff --git a/tests/ui/closures/2229_closure_analysis/migrations/insignificant_drop.rs b/tests/ui/closures/2229_closure_analysis/migrations/insignificant_drop.rs
new file mode 100644
index 000000000..2652bf598
--- /dev/null
+++ b/tests/ui/closures/2229_closure_analysis/migrations/insignificant_drop.rs
@@ -0,0 +1,38 @@
+// run-pass
+// run-rustfix
+
+#![deny(rust_2021_incompatible_closure_captures)]
+#![allow(unused)]
+
+// Test cases for types that implement an insignificant drop (stlib defined)
+
+macro_rules! test_insig_dtor_for_type {
+    ($t: ty, $disambiguator: ident) => {
+        mod $disambiguator {
+            use std::collections::*;
+            use std::rc::Rc;
+            use std::sync::Mutex;
+
+            fn test_for_type(t: $t) {
+                let tup = (Mutex::new(0), t);
+
+                let _c = || tup.0;
+            }
+        }
+    };
+}
+
+test_insig_dtor_for_type!(i32, prim_i32);
+test_insig_dtor_for_type!(Vec<i32>, vec_i32);
+test_insig_dtor_for_type!(String, string);
+test_insig_dtor_for_type!(Vec<String>, vec_string);
+test_insig_dtor_for_type!(HashMap<String, String>, hash_map);
+test_insig_dtor_for_type!(BTreeMap<String, i32>, btree_map);
+test_insig_dtor_for_type!(LinkedList<String>, linked_list);
+test_insig_dtor_for_type!(Rc<i32>, rc_i32);
+test_insig_dtor_for_type!(Rc<String>, rc_string);
+test_insig_dtor_for_type!(std::vec::IntoIter<String>, vec_into_iter);
+test_insig_dtor_for_type!(btree_map::IntoIter<String, String>, btree_map_into_iter);
+test_insig_dtor_for_type!(std::array::IntoIter<String, 5>, array_into_iter);
+
+fn main() {}