mirror of
https://github.com/rust-lang/rust.git
synced 2025-05-01 04:27:38 +00:00

- `check-pass` test for a MRE of #135020 - fail test for #135138 - switch to `TooGeneric` for checking CMSE fn signatures - switch to `TooGeneric` for compute `SizeSkeleton` (for transmute) - fix broken tests
58 lines
1.7 KiB
Plaintext
58 lines
1.7 KiB
Plaintext
error: unions cannot have zero fields
|
|
--> $DIR/eval-error.rs:14:1
|
|
|
|
|
LL | union Foo2 {}
|
|
| ^^^^^^^^^^^^^
|
|
|
|
error[E0517]: attribute should be applied to a struct or union
|
|
--> $DIR/eval-error.rs:24:12
|
|
|
|
|
LL | #[repr(u8, packed)]
|
|
| ^^^^^^
|
|
LL |
|
|
LL | / enum Foo3 {
|
|
LL | | A
|
|
LL | | }
|
|
| |_- not a struct or union
|
|
|
|
error[E0277]: the size for values of type `str` cannot be known at compilation time
|
|
--> $DIR/eval-error.rs:2:8
|
|
|
|
|
LL | a: str,
|
|
| ^^^ doesn't have a size known at compile-time
|
|
|
|
|
= help: the trait `Sized` is not implemented for `str`
|
|
= note: no field of a union may have a dynamically sized type
|
|
= help: change the field's type to have a statically known size
|
|
help: borrowed types always have a statically known size
|
|
|
|
|
LL | a: &str,
|
|
| +
|
|
help: the `Box` type always has a statically known size and allocates its contents in the heap
|
|
|
|
|
LL | a: Box<str>,
|
|
| ++++ +
|
|
|
|
error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
|
|
--> $DIR/eval-error.rs:2:5
|
|
|
|
|
LL | a: str,
|
|
| ^^^^^^
|
|
|
|
|
= note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
|
|
help: wrap the field type in `ManuallyDrop<...>`
|
|
|
|
|
LL | a: std::mem::ManuallyDrop<str>,
|
|
| +++++++++++++++++++++++ +
|
|
|
|
error[E0080]: evaluation of constant value failed
|
|
--> $DIR/eval-error.rs:9:30
|
|
|
|
|
LL | let _: Option<Foo> = None;
|
|
| ^^^^ the type `Foo` has an unknown layout
|
|
|
|
error: aborting due to 5 previous errors
|
|
|
|
Some errors have detailed explanations: E0080, E0277, E0517, E0740.
|
|
For more information about an error, try `rustc --explain E0080`.
|