rust/tests/ui/recursion_limit/invalid_digit.rs

// Test the parse error for an invalid digit in recursion_limit

#![recursion_limit = "-100"] //~ ERROR `limit` must be a non-negative integer
                             //~| NOTE not a valid integer
                             //~| ERROR `limit` must be a non-negative integer
                             //~| NOTE not a valid integer
                             //~| NOTE duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
fn main() {}