31 lines
797 B
Rust
31 lines
797 B
Rust
//@aux-build:proc_macro_attr.rs
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#![feature(rustc_attrs)]
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#![warn(clippy::duplicated_attributes)]
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#![cfg(any(unix, windows))]
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#![allow(dead_code)]
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#![allow(dead_code)] //~ ERROR: duplicated attribute
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#![cfg(any(unix, windows))] // Should not warn!
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#[macro_use]
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extern crate proc_macro_attr;
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#[cfg(any(unix, windows, target_os = "linux"))]
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#[allow(dead_code)]
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#[allow(dead_code)] //~ ERROR: duplicated attribute
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#[cfg(any(unix, windows, target_os = "linux"))] // Should not warn!
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fn foo() {}
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#[cfg(unix)]
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#[cfg(windows)]
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#[cfg(unix)] // cfgs are not handled
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fn bar() {}
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// No warning:
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#[rustc_on_unimplemented(on(_Self = "&str", label = "`a"), on(_Self = "alloc::string::String", label = "a"))]
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trait Abc {}
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#[proc_macro_attr::duplicated_attr()] // Should not warn!
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fn babar() {}
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fn main() {}
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