rust/tests/incremental/hygiene/auxiliary/cached_hygiene.rs

37 lines
869 B
Rust

//@ revisions:rpass1 rpass2
//@ compile-flags: -Z query-dep-graph
// We use #[inline(always)] to ensure that the downstream crate
// will always load the MIR for these functions
#![feature(rustc_attrs)]
#[allow(unused)]
macro_rules! first_macro {
() => {
println!("New call!");
}
}
#[rustc_clean(except="opt_hir_owner_nodes,typeck,optimized_mir,promoted_mir", cfg="rpass2")]
#[inline(always)]
pub fn changed_fn() {
// This will cause additional hygiene to be generate,
// which will cause the SyntaxContext/ExpnId raw ids to be
// different when we write out `my_fn` to the crate metadata.
#[cfg(rpass2)]
first_macro!();
}
macro_rules! print_loc {
() => {
println!("Caller loc: {}", std::panic::Location::caller());
}
}
#[rustc_clean(cfg="rpass2")]
#[inline(always)]
pub fn unchanged_fn() {
print_loc!();
}