Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/ui/macros/issue-16098.rs b/tests/ui/macros/issue-16098.rs
new file mode 100644
index 000000000..00acc20fc
--- /dev/null
+++ b/tests/ui/macros/issue-16098.rs
@@ -0,0 +1,16 @@
+macro_rules! prob1 {
+    (0) => {
+        0
+    };
+    ($n:expr) => {
+        if ($n % 3 == 0) || ($n % 5 == 0) {
+            $n + prob1!($n - 1); //~ ERROR recursion limit reached while expanding `prob1!`
+        } else {
+            prob1!($n - 1);
+        }
+    };
+}
+
+fn main() {
+    println!("Problem 1: {}", prob1!(1000));
+}