rust/tests/ui/methods/inherent-bound-in-probe.rs

50 lines
1.1 KiB
Rust

// normalize-stderr-test: "long-type-\d+" -> "long-type-hash"
// Fixes #110131
//
// The issue is that we were constructing an `ImplDerived` cause code for the
// `&'a T: IntoIterator<Item = &'a u8>` obligation for `Helper::new`, which is
// incorrect because derived obligations are only expected to come from *traits*.
struct SeqBuffer<'a, T>
where
&'a T: IntoIterator<Item = &'a u8>,
{
iter: <&'a T as IntoIterator>::IntoIter,
}
struct Helper<'a, T>
where
&'a T: IntoIterator<Item = &'a u8>,
{
buf: SeqBuffer<'a, T>,
}
impl<'a, T> Helper<'a, T>
where
&'a T: IntoIterator<Item = &'a u8>,
{
fn new(sq: &'a T) -> Self {
loop {}
}
}
struct BitReaderWrapper<T>(T);
impl<'a, T> IntoIterator for &'a BitReaderWrapper<T>
where
&'a T: IntoIterator<Item = &'a u8>,
{
type Item = u32;
type IntoIter = Helper<'a, T>;
//~^ ERROR `Helper<'a, T>` is not an iterator
fn into_iter(self) -> Self::IntoIter {
Helper::new(&self.0)
//~^ ERROR overflow evaluating the requirement `&_: IntoIterator`
}
}
fn main() {}