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30 lines
1.2 KiB
Rust
30 lines
1.2 KiB
Rust
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//@ revisions: paca pacg
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//@ compile-flags: --crate-type=rlib --target=aarch64-unknown-linux-gnu
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//@ needs-llvm-components: aarch64
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//@[paca] compile-flags: -Ctarget-feature=+paca
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//@[paca] error-pattern: the target features paca, pacg must all be either enabled or disabled together
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//@[pacg] compile-flags: -Ctarget-feature=+pacg
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//@[pacg] error-pattern: the name `foo` is defined multiple times
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#![feature(no_core, lang_items)]
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#![no_core]
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#[lang="sized"]
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trait Sized {}
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// Can't use `compile_error!` here without `core`/`std` but requiring these makes this test only
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// work if you have libcore built in the sysroot for `aarch64-unknown-linux-gnu`. Can't run this
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// test on any aarch64 platform because they all have different default available features - as
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// written, this test depends on `aarch64-unknown-linux-gnu` having -paca,-pacg by default.
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// Cause a multiple definition error instead.
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fn foo() {}
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// Enabling one of the tied features does not imply the other is enabled.
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//
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// With +paca, this multiple definition doesn't cause an error because +paca hasn't implied
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// +pacg. With +pacg, the multiple definition error is emitted (and the tied feature error would
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// be).
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#[cfg(target_feature = "pacg")]
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pub unsafe fn foo() {
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}
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