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Add a test for #2526
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tests/ui/proc_macro.rs
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8
tests/ui/proc_macro.rs
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//! Check that we correctly lint procedural macros.
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#![crate_type = "proc-macro"]
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#[allow(dead_code)]
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fn f() {
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let _x = 3.14;
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}
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tests/ui/proc_macro.stderr
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tests/ui/proc_macro.stderr
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error: approximate value of `f{32, 64}::consts::PI` found. Consider using it directly
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--> $DIR/proc_macro.rs:7:14
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LL | let _x = 3.14;
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| ^^^^
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= note: #[deny(clippy::approx_constant)] on by default
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error: aborting due to previous error
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