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Add a UI regression test. #162665

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11 changes: 11 additions & 0 deletions tests/ui/attributes/positions/link-section.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
//! Checks that `link_section` cannot be used on foreign statics.
#![crate_type = "lib"]

//@ edition:2024
//@ check-pass
// Regression test for <https://github.com/rust-lang/rust/issues/136220>.
unsafe extern "C" {
#[unsafe(link_section = "__DATA,__buffer")] //~ WARN attribute cannot be used on foreign statics
//~| WARN previously accepted
pub static mut a: [u8; 1024];
}
12 changes: 12 additions & 0 deletions tests/ui/attributes/positions/link-section.stderr
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warning: the `link_section` attribute cannot be used on foreign statics
--> $DIR/link-section.rs:8:14
|
LL | #[unsafe(link_section = "__DATA,__buffer")]
| ^^^^^^^^^^^^
|
= help: the `link_section` attribute can be applied to functions and statics
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: requested on the command line with `-W unused-attributes`

warning: 1 warning emitted

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