rust/tests/ui/async-await/issue-61793.rs

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// This testcase used to ICE in codegen due to inconsistent field reordering
// in the generator state, claiming a ZST field was after a non-ZST field,
// while those two fields were at the same offset (which is impossible).
// That is, memory ordering of `(X, ())`, but offsets of `((), X)`.
// build-pass
// edition:2018
async fn foo<F>(_: &(), _: F) {}
fn main() {
foo(&(), || {});
async {
foo(&(), || {}).await;
};
}