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error: `extern` block uses type `W`, which is not FFI-safe
--> $DIR/union-repr-c.rs:15:22
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LL | static FOREIGN2: W;
| ^ not FFI-safe
|
= help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this union
= note: this union has unspecified layout
note: the type is defined here
--> $DIR/union-repr-c.rs:9:1
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LL | union W {
| ^^^^^^^
note: the lint level is defined here
--> $DIR/union-repr-c.rs:2:9
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LL | #![deny(improper_ctypes)]
| ^^^^^^^^^^^^^^^
error: aborting due to 1 previous error
|
