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// The `format_args!` syntax extension issues errors before code expansion
// has completed, but we still need a backtrace.
// This test includes stripped-down versions of `print!` and `println!`,
// because we can't otherwise verify the lines of the backtrace.
fn print(_args: std::fmt::Arguments) {}
macro_rules! myprint {
($($arg:tt)*) => (print(format_args!($($arg)*)));
}
macro_rules! myprintln {
($fmt:expr) => (myprint!(concat!($fmt, "\n"))); //~ ERROR no arguments were given
}
fn main() {
myprintln!("{}");
}
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