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//@ run-pass
// Regression test for https://github.com/rust-lang/rust/issues/114388
#[track_caller]
fn caller_line() -> u32 {
std::panic::Location::caller().line()
}
fn main() {
let prev_line = caller_line(); // first line
(A { prev_line }) // second line
[0]; // third line
}
struct A {
prev_line: u32,
}
impl std::ops::Index<usize> for A {
type Output = ();
fn index(&self, _idx: usize) -> &() {
// Use the relative number to make it resistant to header changes.
assert_eq!(caller_line(), self.prev_line + 2);
&()
}
}
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