Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/ui/infinite/issue-41731-infinite-macro-print.rs b/tests/ui/infinite/issue-41731-infinite-macro-print.rs
new file mode 100644
index 000000000..d52e6e7e9
--- /dev/null
+++ b/tests/ui/infinite/issue-41731-infinite-macro-print.rs
@@ -0,0 +1,15 @@
+// compile-flags: -Z trace-macros
+
+#![recursion_limit = "5"]
+
+fn main() {
+    macro_rules! stack {
+        ($overflow:expr) => {
+            print!(stack!($overflow));
+            //~^ ERROR recursion limit reached while expanding
+            //~| ERROR format argument must be a string literal
+        };
+    }
+
+    stack!("overflow");
+}