rust/tests/ui/function-pointer/function-pointer-comparison-54696.rs

// https://github.com/rust-lang/rust/issues/54696
//@ run-pass

#![allow(unpredictable_function_pointer_comparisons)]

fn main() {
    // We shouldn't promote this
    let _ = &(main as fn() == main as fn());
    // Also check nested case
    let _ = &(&(main as fn()) == &(main as fn()));
}
Add test batch 2 2025-08-20 14:02:44 -04:00			`// https://github.com/rust-lang/rust/issues/54696`
[AUTO-GENERATED] Migrate ui tests from `//` to `//@` directives 2024-02-16 20:02:50 +00:00			`//@ run-pass`
do not promote comparing function pointers 2018-09-30 19:45:31 +02:00
Allow fn pointers comparisons lint in UI tests 2023-12-10 15:51:06 +01:00			`#![allow(unpredictable_function_pointer_comparisons)]`

do not promote comparing function pointers 2018-09-30 19:45:31 +02:00			`fn main() {`
			`// We shouldn't promote this`
Lint for unused borrows as part of UNUSED_MUST_USE 2021-06-18 15:09:40 +08:00			`let _ = &(main as fn() == main as fn());`
do not promote comparing function pointers 2018-09-30 19:45:31 +02:00			`// Also check nested case`
Lint for unused borrows as part of UNUSED_MUST_USE 2021-06-18 15:09:40 +08:00			`let _ = &(&(main as fn()) == &(main as fn()));`
do not promote comparing function pointers 2018-09-30 19:45:31 +02:00			`}`