Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/ui/proc-macro/meta-macro-hygiene.rs b/tests/ui/proc-macro/meta-macro-hygiene.rs
new file mode 100644
index 000000000..70b8d8da1
--- /dev/null
+++ b/tests/ui/proc-macro/meta-macro-hygiene.rs
@@ -0,0 +1,30 @@
+// aux-build:make-macro.rs
+// aux-build:meta-macro.rs
+// edition:2018
+// compile-flags: -Z span-debug -Z macro-backtrace -Z unpretty=expanded,hygiene -Z trim-diagnostic-paths=no
+// check-pass
+// normalize-stdout-test "\d+#" -> "0#"
+// normalize-stdout-test "expn\d{3,}" -> "expnNNN"
+//
+// We don't care about symbol ids, so we set them all to 0
+// in the stdout
+
+#![no_std] // Don't load unnecessary hygiene information from std
+extern crate std;
+
+extern crate meta_macro;
+
+macro_rules! produce_it {
+    () => {
+        // `print_def_site!` will respan the `$crate` identifier
+        // with `Span::def_site()`. This should cause it to resolve
+        // relative to `meta_macro`, *not* `make_macro` (despite
+        // the fact that `print_def_site` is produced by a
+        // `macro_rules!` macro in `make_macro`).
+        meta_macro::print_def_site!($crate::dummy!());
+    }
+}
+
+fn main() {
+    produce_it!();
+}