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Rollup merge of #150082 - Enselic:hrtb-fn-pointer, r=fee1-dead

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tests/ui/traits/fmt-pointer-trait.rs: Add HRTB fn pointer case

Closes https://github.com/rust-lang/rust/issues/50280 which just **E-needs-test**.  See https://github.com/rust-lang/rust/issues/50280#issuecomment-3664511295 for a bisect of the fix.

The issue description is quite vague, so in the test I am linking directly to the most descriptive comment https://github.com/rust-lang/rust/issues/50280#issuecomment-626035934.
This commit is contained in:
Matthias Krüger 2025-12-21 18:50:43 +01:00 • committed by GitHub
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6
library/coretests/tests/fmt/mod.rs
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@ -30,6 +30,12 @@ fn test_format_flags() {
assert_eq!(format!("{:p} {:x}", p, 16), format!("{p:p} 10"));
assert_eq!(format!("{: >3}", 'a'), " a");
/// Regression test for <https://github.com/rust-lang/rust/issues/50280#issuecomment-626035934>.
fn show(a: fn() -> f32, b: fn(&Vec<i8>) -> f32) {
println!("the two pointers: {:p} {:p}", a, b);
}
show(|| 1.0, |_| 2.0);
}
#[test]