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, 26 insertions, 0 deletions

diff --git a/src/test/ui/macros/issue-58490.rs b/src/test/ui/macros/issue-58490.rs
new file mode 100644
index 000000000..97e71c9a1
--- /dev/null
+++ b/src/test/ui/macros/issue-58490.rs
@@ -0,0 +1,26 @@
+// Regression test for #58490
+
+macro_rules! a {
+    ( @1 $i:item ) => {
+        a! { @2 $i }
+    };
+    ( @2 $i:item ) => {
+        $i
+    };
+}
+mod b {
+    a! {
+        @1
+        #[macro_export]
+        macro_rules! b { () => () }
+    }
+    #[macro_export]
+    macro_rules! b { () => () }
+    //~^ ERROR: the name `b` is defined multiple times
+}
+mod c {
+    #[allow(unused_imports)]
+    use crate::b;
+}
+
+fn main() {}