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//@ run-pass
// Based on addassign-yield.rs, but with drop tracking enabled. Originally we did not implement
// the fake_read callback on ExprUseVisitor which caused this case to break.
#![feature(coroutines, stmt_expr_attributes)]
fn foo() {
let _y = #[coroutine] static || {
let x = &mut 0;
*{
yield;
x
} += match String::new() {
_ => 0,
};
};
// Please don't ever actually write something like this
let _z = #[coroutine] static || {
let x = &mut 0;
*{
let inner = &mut 1;
*{
yield ();
inner
} += match String::new() {
_ => 1,
};
yield;
x
} += match String::new() {
_ => 2,
};
};
}
fn main() {
foo()
}
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