1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/box/boxed-value-matching-57741.rs b/tests/ui/box/boxed-value-matching-57741.rs
new file mode 100644
index 00000000000..7e2f089dad8
--- /dev/null
+++ b/tests/ui/box/boxed-value-matching-57741.rs
@@ -0,0 +1,19 @@
+// https://github.com/rust-lang/rust/issues/57741
+#![allow(warnings)]
+
+// This tests that the `help: consider dereferencing the boxed value` suggestion isn't made
+// because the box doesn't deref to the type of the arm.
+
+enum S {
+    A { a: usize },
+    B { b: usize },
+}
+
+fn main() {
+    let x = Box::new(3u32);
+    let y = match x {
+        S::A { a } | S::B { b: a } => a,
+        //~^ ERROR mismatched types [E0308]
+        //~^^ ERROR mismatched types [E0308]
+    };
+}