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/macros/macro-with-braces-in-expr-position.rs b/src/test/ui/macros/macro-with-braces-in-expr-position.rs
new file mode 100644
index 000000000..f7d87434d
--- /dev/null
+++ b/src/test/ui/macros/macro-with-braces-in-expr-position.rs
@@ -0,0 +1,22 @@
+// run-pass
+#![allow(unused_must_use)]
+// ignore-emscripten no threads support
+
+use std::thread;
+
+macro_rules! expr { ($e: expr) => { $e } }
+
+macro_rules! spawn {
+    ($($code: tt)*) => {
+        expr!(thread::spawn(move|| {$($code)*}).join())
+    }
+}
+
+pub fn main() {
+    spawn! {
+        println!("stmt");
+    };
+    let _ = spawn! {
+        println!("expr");
+    };
+}