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, 17 insertions, 0 deletions

diff --git a/src/test/ui/macros/macro-seq-followed-by-seq.rs b/src/test/ui/macros/macro-seq-followed-by-seq.rs
new file mode 100644
index 000000000..8f0f4fd4a
--- /dev/null
+++ b/src/test/ui/macros/macro-seq-followed-by-seq.rs
@@ -0,0 +1,17 @@
+// run-pass
+// Test of allowing two sequences repetitions in a row,
+// functionality added as byproduct of RFC amendment #1384
+//   https://github.com/rust-lang/rfcs/pull/1384
+
+// Old version of Rust would reject this macro definition, even though
+// there are no local ambiguities (the initial `banana` and `orange`
+// tokens are enough for the expander to distinguish which case is
+// intended).
+macro_rules! foo {
+    ( $(banana $a:ident)* $(orange $b:tt)* ) => { };
+}
+
+fn main() {
+    foo!( banana id1 banana id2
+          orange hi  orange (hello world) );
+}