53 lines
885 B
Rust
53 lines
885 B
Rust
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//@ known-bug: #129372
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//@ compile-flags: -Cdebuginfo=2 -Copt-level=0
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pub struct Wrapper<T>(T);
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struct Struct;
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pub trait TraitA {
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type AssocA<'t>;
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}
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pub trait TraitB {
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type AssocB;
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}
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pub fn helper(v: impl MethodTrait) {
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let _local_that_causes_ice = v.method();
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}
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pub fn main() {
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helper(Wrapper(Struct));
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}
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pub trait MethodTrait {
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type Assoc<'a>;
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fn method(self) -> impl for<'a> FnMut(&'a ()) -> Self::Assoc<'a>;
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}
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impl<T: TraitB> MethodTrait for T
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where
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<T as TraitB>::AssocB: TraitA,
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{
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type Assoc<'a> = <T::AssocB as TraitA>::AssocA<'a>;
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fn method(self) -> impl for<'a> FnMut(&'a ()) -> Self::Assoc<'a> {
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move |_| loop {}
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}
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}
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impl<T, B> TraitB for Wrapper<B>
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where
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B: TraitB<AssocB = T>,
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{
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type AssocB = T;
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}
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impl TraitB for Struct {
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type AssocB = Struct;
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}
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impl TraitA for Struct {
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type AssocA<'t> = Self;
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}
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