Add regression test for issue #83564
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src/test/ui/suggestions/core-std-import-order-issue-83564.rs
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src/test/ui/suggestions/core-std-import-order-issue-83564.rs
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// edition:2018
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// This is a regression test for #83564.
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// For some reason, Rust 2018 or higher is required to reproduce the bug.
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fn main() {
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//~^ HELP consider importing one of these items
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let _x = NonZeroU32::new(5).unwrap();
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//~^ ERROR failed to resolve: use of undeclared type `NonZeroU32`
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}
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error[E0433]: failed to resolve: use of undeclared type `NonZeroU32`
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--> $DIR/core-std-import-order-issue-83564.rs:8:14
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LL | let _x = NonZeroU32::new(5).unwrap();
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help: consider importing one of these items
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LL | use std::num::NonZeroU32;
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LL | use core::num::NonZeroU32;
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0433`.
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