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, 22 insertions, 0 deletions

diff --git a/src/test/ui/hygiene/fields-definition.rs b/src/test/ui/hygiene/fields-definition.rs
new file mode 100644
index 000000000..173c357bd
--- /dev/null
+++ b/src/test/ui/hygiene/fields-definition.rs
@@ -0,0 +1,22 @@
+#![feature(decl_macro)]
+
+macro modern($a: ident) {
+    struct Modern {
+        a: u8,
+        $a: u8, // OK
+    }
+}
+
+macro_rules! legacy {
+    ($a: ident) => {
+        struct Legacy {
+            a: u8,
+            $a: u8, //~ ERROR field `a` is already declared
+        }
+    }
+}
+
+modern!(a);
+legacy!(a);
+
+fn main() {}