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// { dg-output "invok\r*\ninvok\r*\ninvok\r*\ninvok\r*\ninvok\r*\n" }
extern "C" {
fn printf(s: *const i8, ...);
}
fn f() {
unsafe {
let r_s = "invok\n\0";
let s_p = r_s as *const str;
let c_p = s_p as *const i8;
printf(c_p);
}
}
macro_rules! invocation0 {
(valid) => {
f();
};
() => {};
}
macro_rules! invocation1 {
(valid) => {};
() => {
f();
};
}
macro_rules! invocation2 {
(valid) => {
f();
};
(invalid) => {};
}
macro_rules! invocation3 {
(this is a valid invocation) => {
f();
};
(not this one) => {};
}
macro_rules! invocation4 {
(fn f() {}) => {
f();
};
(not a keyword) => {};
}
fn main() -> i32 {
invocation0!(valid);
invocation1!();
invocation2!(valid);
invocation3!(this is a valid invocation);
invocation4!(
fn f() {}
);
0
}
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