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, 15 insertions, 0 deletions

diff --git a/src/test/ui/did_you_mean/recursion_limit_macro.rs b/src/test/ui/did_you_mean/recursion_limit_macro.rs
new file mode 100644
index 000000000..a68a5ece7
--- /dev/null
+++ b/src/test/ui/did_you_mean/recursion_limit_macro.rs
@@ -0,0 +1,15 @@
+// Test that the recursion limit can be changed and that the compiler
+// suggests a fix. In this case, we have a recursing macro that will
+// overflow if the number of arguments surpasses the recursion limit.
+
+#![allow(dead_code)]
+#![recursion_limit="10"]
+
+macro_rules! recurse {
+    () => { };
+    ($t:tt $($tail:tt)*) => { recurse!($($tail)*) }; //~ ERROR recursion limit
+}
+
+fn main() {
+    recurse!(0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9);
+}