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// Regression test for #84632: Recursion limit is ignored
// for builtin macros that eagerly expands.
#![recursion_limit = "15"]
macro_rules! a {
() => ("");
(A) => (concat!("", a!()));
(A, $($A:ident),*) => (concat!("", a!($($A),*)))
//~^ ERROR recursion limit reached
//~| HELP consider increasing the recursion limit
}
fn main() {
a!(A, A, A, A, A);
a!(A, A, A, A, A, A, A, A, A, A, A);
}
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