Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/ui/proc-macro/hygiene_example.rs b/tests/ui/proc-macro/hygiene_example.rs
new file mode 100644
index 000000000..346ed1207
--- /dev/null
+++ b/tests/ui/proc-macro/hygiene_example.rs
@@ -0,0 +1,16 @@
+// check-pass
+// aux-build:hygiene_example_codegen.rs
+// aux-build:hygiene_example.rs
+
+extern crate hygiene_example;
+use hygiene_example::hello;
+
+fn main() {
+    mod hygiene_example {} // no conflict with `extern crate hygiene_example;` from the proc macro
+    macro_rules! format { () => {} } // does not interfere with `format!` from the proc macro
+    macro_rules! hello_helper { () => {} } // similarly does not intefere with the proc macro
+
+    let string = "world"; // no conflict with `string` from the proc macro
+    hello!(string);
+    hello!(string);
+}