From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:03 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/pattern/usefulness/issue-88747.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 tests/ui/pattern/usefulness/issue-88747.rs

(limited to 'tests/ui/pattern/usefulness/issue-88747.rs')

diff --git a/tests/ui/pattern/usefulness/issue-88747.rs b/tests/ui/pattern/usefulness/issue-88747.rs
new file mode 100644
index 000000000..948c99f9c
--- /dev/null
+++ b/tests/ui/pattern/usefulness/issue-88747.rs
@@ -0,0 +1,14 @@
+// check-pass: this used to be a stack overflow because of recursion in `usefulness.rs`
+
+macro_rules! long_tuple_arg {
+    ([$($t:tt)*]#$($h:tt)*) => {
+        long_tuple_arg!{[$($t)*$($t)*]$($h)*}
+    };
+    ([$([$t:tt $y:tt])*]) => {
+        pub fn _f(($($t,)*): ($($y,)*)) {}
+    }
+}
+
+long_tuple_arg!{[[_ u8]]########## ###}
+
+fn main() {}
-- 
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