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// Ensure that a `#[track_caller]` function, returning `caller_location()`,
// which coerced (to a function pointer) and called, inside a `const fn`,
// in turn called, results in the same output irrespective of whether
// we're in a const or runtime context.
//@ run-pass
//@ compile-flags: -Z unleash-the-miri-inside-of-you
#![feature(core_intrinsics)]
type L = &'static std::panic::Location<'static>;
#[track_caller]
const fn attributed() -> L {
std::intrinsics::caller_location()
}
const fn calling_attributed() -> L {
// We need `-Z unleash-the-miri-inside-of-you` for this as we don't have `const fn` pointers.
let ptr: fn() -> L = attributed;
ptr()
}
fn main() {
const CONSTANT: L = calling_attributed();
let runtime = calling_attributed();
assert_eq!(
(runtime.file(), runtime.line(), runtime.column()),
(CONSTANT.file(), CONSTANT.line(), CONSTANT.column()),
);
}
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