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//@ run-pass
//@ revisions: default mir-opt
//@[mir-opt] compile-flags: -Zmir-opt-level=4
fn pass_to_ptr_call<T>(f: fn(T), x: T) {
f(x);
}
#[track_caller]
fn tracked_unit(_: ()) {
let expected_line = line!() - 1;
let location = std::panic::Location::caller();
assert_eq!(location.file(), file!());
assert_eq!(location.line(), expected_line, "call shims report location as fn definition");
}
trait Trait {
fn trait_tracked_unit(_: ());
}
impl Trait for () {
#[track_caller]
fn trait_tracked_unit(_: ()) {
let expected_line = line!() - 1;
let location = std::panic::Location::caller();
assert_eq!(location.file(), file!());
assert_eq!(location.line(), expected_line, "call shims report location as fn definition");
}
}
trait TrackedTrait {
#[track_caller]
fn trait_tracked_unit_default(_: ()) {
let expected_line = line!() - 1;
let location = std::panic::Location::caller();
assert_eq!(location.file(), file!());
assert_eq!(location.line(), expected_line, "call shims report location as fn definition");
}
}
impl TrackedTrait for () {}
trait BlanketTrackedTrait {
#[track_caller]
fn tracked_blanket(_: ());
}
impl BlanketTrackedTrait for () {
fn tracked_blanket(_: ()) {
let expected_line = line!() - 1;
let location = std::panic::Location::caller();
assert_eq!(location.file(), file!());
assert_eq!(location.line(), expected_line, "call shims report location as fn definition");
}
}
fn main() {
pass_to_ptr_call(tracked_unit, ());
pass_to_ptr_call(<() as Trait>::trait_tracked_unit, ());
pass_to_ptr_call(<() as TrackedTrait>::trait_tracked_unit_default, ());
pass_to_ptr_call(<() as BlanketTrackedTrait>::tracked_blanket, ());
}
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