32 lines
1.1 KiB
Rust
32 lines
1.1 KiB
Rust
|
//! This is a reproducer for the ICE 6840: https://github.com/rust-lang/rust-clippy/issues/6840.
|
||
|
|
//! The ICE is caused by `TyCtxt::layout_of` and `is_normalizable` not being strict enough
|
||
|
|
#![allow(dead_code)]
|
||
|
|
use std::collections::HashMap;
|
||
|
|
|
||
|
|
pub trait Rule {
|
||
|
|
type DependencyKey;
|
||
|
|
}
|
||
|
|
|
||
|
|
pub struct RuleEdges<R: Rule> {
|
||
|
|
dependencies: R::DependencyKey,
|
||
|
|
}
|
||
|
|
|
||
|
|
type RuleDependencyEdges<R> = HashMap<u32, RuleEdges<R>>;
|
||
|
|
|
||
|
|
// reproducer from the GitHub issue ends here
|
||
|
|
// but check some additional variants
|
||
|
|
type RuleDependencyEdgesArray<R> = HashMap<u32, [RuleEdges<R>; 8]>;
|
||
|
|
type RuleDependencyEdgesSlice<R> = HashMap<u32, &'static [RuleEdges<R>]>;
|
||
|
|
type RuleDependencyEdgesRef<R> = HashMap<u32, &'static RuleEdges<R>>;
|
||
|
|
type RuleDependencyEdgesRaw<R> = HashMap<u32, *const RuleEdges<R>>;
|
||
|
|
type RuleDependencyEdgesTuple<R> = HashMap<u32, (RuleEdges<R>, RuleEdges<R>)>;
|
||
|
|
|
||
|
|
// and an additional checks to make sure fix doesn't have stack-overflow issue
|
||
|
|
// on self-containing types
|
||
|
|
pub struct SelfContaining {
|
||
|
|
inner: Box<SelfContaining>,
|
||
|
|
}
|
||
|
|
type SelfContainingEdges = HashMap<u32, SelfContaining>;
|
||
|
|
|
||
|
|
fn main() {}
|