Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 15 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-44851.rs b/src/test/ui/issues/issue-44851.rs
new file mode 100644
index 000000000..23daaeb0f
--- /dev/null
+++ b/src/test/ui/issues/issue-44851.rs
@@ -0,0 +1,15 @@
+// check-pass
+macro_rules! a {
+    () => { "a" }
+}
+
+macro_rules! b {
+    ($doc:expr) => {
+        #[doc = $doc]
+        pub struct B;
+    }
+}
+
+b!(a!());
+
+fn main() {}