regression test

1 files changed, 21 insertions, 0 deletions

diff --git a/crates/ide-diagnostics/src/handlers/mutability_errors.rs b/crates/ide-diagnostics/src/handlers/mutability_errors.rs
index 8976a3de67b..d03a0009c48 100644
--- a/crates/ide-diagnostics/src/handlers/mutability_errors.rs
+++ b/crates/ide-diagnostics/src/handlers/mutability_errors.rs
@@ -1173,4 +1173,25 @@ fn f() {
 "#,
         );
     }
+
+    #[test]
+    fn regression_15623() {
+        check_diagnostics(
+            r#"
+struct Foo;
+
+impl Foo {
+    fn needs_mut(&mut self) {}
+}
+
+fn main() {
+    let mut foo = Foo;
+    || {
+        let 0 = 1 else { return };
+        foo.needs_mut();
+    };
+}
+"#,
+        );
+    }
 }