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Rollup merge of #132303 - nyurik:non-exhaustive-err, r=compiler-errors

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More tests for non-exhaustive C-like enums in FFI

Add a few more tests for the `improper_ctypes` lint as found with the [varnish-rs](https://github.com/gquintard/varnish-rs) project.

This follows up on #116831, fixed in #116863 by ``@workingjubilee`` - I have been seeing these fail with the bindgen-generated non-exhaustive enums inside other structs. Seems the issue does not exist in the primary branch, so this PR just makes sure more cases are covered for the future.
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Jubilee 2024-11-04 20:40:45 -08:00 committed by GitHub
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6
tests/ui/rfcs/rfc-2008-non-exhaustive/improper_ctypes/auxiliary/types.rs
View File

@ -38,3 +38,9 @@ pub enum NonExhaustiveCLikeEnum {
Four = 4,
Five = 5,
}
#[repr(C)]
pub struct NormalStructWithNonExhaustiveCLikeEnum {
one: u8,
two: NonExhaustiveCLikeEnum,
}

5
tests/ui/rfcs/rfc-2008-non-exhaustive/improper_ctypes/extern_crate_improper.rs
View File

@ -8,7 +8,7 @@ extern crate types;
use types::{
NonExhaustiveCLikeEnum, NonExhaustiveEnum, NonExhaustiveVariants,
NormalStruct, TupleStruct, UnitStruct,
NormalStruct, TupleStruct, UnitStruct, NormalStructWithNonExhaustiveCLikeEnum
};
extern "C" {
@ -27,6 +27,9 @@ extern "C" {
// These should pass without remark, as they're C-compatible, despite being "non-exhaustive".
extern "C" {
pub fn non_exhaustive_c_compat_enum(_: NonExhaustiveCLikeEnum);
pub fn non_exhaustive_c_compat_enum_ret() -> *mut NonExhaustiveCLikeEnum;
pub fn struct_w_non_exhaustive_c_like_enum(_: NormalStructWithNonExhaustiveCLikeEnum);
pub fn struct_w_non_exhaustive_c_like_enum_ret() -> *mut NormalStructWithNonExhaustiveCLikeEnum;
}
fn main() {}