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diff --git a/src/test/ui/dyn-star/check-size-at-cast.stderr b/src/test/ui/dyn-star/check-size-at-cast.stderr
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+error[E0277]: `[i32; 4]` needs to be a pointer-sized type
+ --> $DIR/check-size-at-cast.rs:7:13
+ |
+LL | let i = [1, 2, 3, 4] as dyn* Debug;
+ | ^^^^^^^^^^^^ `[i32; 4]` needs to be a pointer-sized type
+ |
+ = help: the trait `PointerSized` is not implemented for `[i32; 4]`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.