26 lines
403 B
Rust
26 lines
403 B
Rust
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//@ build-fail
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//~^ cycle detected when computing layout of `Wrapper<()>`
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trait Trait {
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type Assoc;
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}
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impl Trait for () {
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type Assoc = Wrapper<()>;
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}
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struct Wrapper<T: Trait> {
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_x: <T as Trait>::Assoc,
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}
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fn abi<T: Trait>(_: Option<Wrapper<T>>) {}
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//~^ ERROR a cycle occurred during layout computation
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fn indirect<T: Trait>() {
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abi::<T>(None);
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}
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fn main() {
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indirect::<()>();
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}
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