Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 25 insertions, 0 deletions

diff --git a/tests/ui/macros/macro-pat-neg-lit.rs b/tests/ui/macros/macro-pat-neg-lit.rs
new file mode 100644
index 000000000..79c68fd25
--- /dev/null
+++ b/tests/ui/macros/macro-pat-neg-lit.rs
@@ -0,0 +1,25 @@
+// run-pass
+macro_rules! enum_number {
+    ($name:ident { $($variant:ident = $value:expr, )* }) => {
+        enum $name {
+            $($variant = $value,)*
+        }
+
+        fn foo(value: i32) -> Option<$name> {
+            match value {
+                $( $value => Some($name::$variant), )*
+                _ => None
+            }
+        }
+    }
+}
+
+enum_number!(Change {
+    Down = -1,
+    None = 0,
+    Up = 1,
+});
+
+fn main() {
+    if let Some(Change::Down) = foo(-1) {} else { panic!() }
+}