1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/typeck/issue-57673-ice-on-deref-of-boxed-trait.stderr b/src/test/ui/typeck/issue-57673-ice-on-deref-of-boxed-trait.stderr
new file mode 100644
index 000000000..b92a6f2ec
--- /dev/null
+++ b/src/test/ui/typeck/issue-57673-ice-on-deref-of-boxed-trait.stderr
@@ -0,0 +1,14 @@
+error[E0308]: mismatched types
+  --> $DIR/issue-57673-ice-on-deref-of-boxed-trait.rs:5:5
+   |
+LL | fn ice(x: Box<dyn Iterator<Item=()>>) {
+   |                                       - help: try adding a return type: `-> (dyn Iterator<Item = ()> + 'static)`
+LL |     *x
+   |     ^^ expected `()`, found trait object `dyn Iterator`
+   |
+   = note: expected unit type `()`
+           found trait object `(dyn Iterator<Item = ()> + 'static)`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0308`.