rust/tests/incremental/source_loc_macros.rs

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// This test makes sure that different expansions of the file!(), line!(),
// column!() macros get picked up by the incr. comp. hash.
//@ revisions:rpass1 rpass2
//@ compile-flags: -Z query-dep-graph
#![feature(rustc_attrs)]
#[rustc_clean(cfg="rpass2")]
fn line_same() {
let _ = line!();
}
#[rustc_clean(cfg="rpass2")]
fn col_same() {
let _ = column!();
}
#[rustc_clean(cfg="rpass2")]
fn file_same() {
let _ = file!();
}
#[rustc_clean(except="opt_hir_owner_nodes,optimized_mir", cfg="rpass2")]
fn line_different() {
#[cfg(rpass1)]
{
let _ = line!();
}
#[cfg(rpass2)]
{
let _ = line!();
}
}
#[rustc_clean(except="opt_hir_owner_nodes,optimized_mir", cfg="rpass2")]
fn col_different() {
#[cfg(rpass1)]
{
let _ = column!();
}
#[cfg(rpass2)]
{
let _ = column!();
}
}
fn main() {
line_same();
line_different();
col_same();
col_different();
file_same();
}