Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 36 insertions, 0 deletions

diff --git a/tests/incremental/hygiene/auxiliary/cached_hygiene.rs b/tests/incremental/hygiene/auxiliary/cached_hygiene.rs
new file mode 100644
index 000000000..b31f60e97
--- /dev/null
+++ b/tests/incremental/hygiene/auxiliary/cached_hygiene.rs
@@ -0,0 +1,36 @@
+// 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="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!();
+}