32 lines
485 B
Rust
32 lines
485 B
Rust
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// build-fail
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//~^ ERROR: a cycle occurred during layout computation
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//~| ERROR: cycle detected when computing layout of
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// Issue #111176 -- ensure that we do not emit ICE on layout cycles
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use std::mem;
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pub struct S<T: Tr> {
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pub f: <T as Tr>::I,
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}
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pub trait Tr {
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type I: Tr;
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}
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impl<T: Tr> Tr for S<T> {
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type I = S<S<T>>;
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}
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impl Tr for () {
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type I = ();
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}
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fn foo<T: Tr>() -> usize {
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mem::size_of::<S<T>>()
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}
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fn main() {
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println!("{}", foo::<S<()>>());
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}
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