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// Derive helpers are resolved successfully inside `cfg_attr`.
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//@ check-pass
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//@ aux-build:test-macros.rs
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#[macro_use]
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extern crate test_macros;
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#[derive(Empty)]
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#[cfg_attr(all(), empty_helper)]
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struct S {
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#[cfg_attr(all(), empty_helper)]
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field: u8,
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}
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fn main() {}
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