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diff --git a/src/test/ui/packed/issue-27060-2.stderr b/src/test/ui/packed/issue-27060-2.stderr
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+++ b/src/test/ui/packed/issue-27060-2.stderr
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+error[E0277]: the size for values of type `T` cannot be known at compilation time
+  --> $DIR/issue-27060-2.rs:3:11
+   |
+LL | pub struct Bad<T: ?Sized> {
+   |                - this type parameter needs to be `std::marker::Sized`
+LL |     data: T,
+   |           ^ doesn't have a size known at compile-time
+   |
+   = note: the last field of a packed struct may only have a dynamically sized type if it does not need drop to be run
+   = help: change the field's type to have a statically known size
+help: consider removing the `?Sized` bound to make the type parameter `Sized`
+   |
+LL - pub struct Bad<T: ?Sized> {
+LL + pub struct Bad<T> {
+   |
+help: borrowed types always have a statically known size
+   |
+LL |     data: &T,
+   |           +
+help: the `Box` type always has a statically known size and allocates its contents in the heap
+   |
+LL |     data: Box<T>,
+   |           ++++ +
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.