ui/issues/issue-28676.rs rustc test fails #682
Description
thread 'main' panicked at 'assertion failed: `(left == right)`
left: `140723935210376`,
right: `3`', ~/cg_clif/rust/src/test/ui/issues/issue-28676.rs:29:9
Probably abi incompatibility with C.
Source code
// run-pass
#![allow(dead_code)]
#![allow(improper_ctypes)]
// ignore-wasm32-bare no libc to test ffi with
#[derive(Copy, Clone)]
pub struct Quad { a: u64, b: u64, c: u64, d: u64 }
mod rustrt {
use super::Quad;
#[link(name = "rust_test_helpers", kind = "static")]
extern {
pub fn get_c_many_params(_: *const (), _: *const (),
_: *const (), _: *const (), f: Quad) -> u64;
}
}
fn test() {
unsafe {
let null = std::ptr::null();
let q = Quad {
a: 1,
b: 2,
c: 3,
d: 4
};
assert_eq!(rustrt::get_c_many_params(null, null, null, null, q), q.c);
}
}
pub fn main() {
test();
}