rust/src/test/run-pass/regions-mock-trans.rs

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import libc, sys, unsafe;
enum arena = ();
type bcx& = {
fcx: &fcx
};
type fcx& = {
arena: &arena,
ccx: &ccx
};
type ccx = {
x: int
};
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fn alloc(_bcx : &a.arena) -> &a.bcx unsafe {
ret unsafe::reinterpret_cast(libc::malloc(sys::size_of::<bcx>()));
}
fn h(bcx : &a.bcx) -> &a.bcx {
ret alloc(bcx.fcx.arena);
}
fn g(fcx : &fcx) {
let bcx = { fcx: fcx };
let bcx2 = h(&bcx);
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unsafe {
libc::free(unsafe::reinterpret_cast(bcx2));
}
}
fn f(ccx : &ccx) {
let a = arena(());
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let fcx = { arena: &a, ccx: ccx };
ret g(&fcx);
}
fn main() {
let ccx = { x: 0 };
f(&ccx);
}