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