Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/ui/recursion_limit/zero.rs b/tests/ui/recursion_limit/zero.rs
new file mode 100644
index 000000000..3a2d904cb
--- /dev/null
+++ b/tests/ui/recursion_limit/zero.rs
@@ -0,0 +1,12 @@
+// Test that a `limit` of 0 is valid
+
+#![recursion_limit = "0"]
+
+macro_rules! test {
+    () => {};
+    ($tt:tt) => { test!(); };
+}
+
+test!(test); //~ ERROR recursion limit reached while expanding `test!`
+
+fn main() {}