1 files changed, 13 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-20433.stderr b/tests/ui/issues/issue-20433.stderr
new file mode 100644
index 000000000..3ae952546
--- /dev/null
+++ b/tests/ui/issues/issue-20433.stderr
@@ -0,0 +1,13 @@
+error[E0277]: the size for values of type `[i32]` cannot be known at compilation time
+  --> $DIR/issue-20433.rs:6:18
+   |
+LL |     fn iceman(c: Vec<[i32]>) {}
+   |                  ^^^^^^^^^^ doesn't have a size known at compile-time
+   |
+   = help: the trait `Sized` is not implemented for `[i32]`
+note: required by a bound in `Vec`
+  --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.