53 lines
1.1 KiB
Rust
53 lines
1.1 KiB
Rust
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//@ check-pass
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// When canonicalizing a response in the trait solver, we bail with overflow
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// if there are too many non-region inference variables. Doing so in normalizes-to
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// goals ends up hiding inference constraints in cases which we want to support,
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// see #131969. To prevent this issue we do not check for too many inference
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// variables in normalizes-to goals.
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#![recursion_limit = "8"]
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trait Bound {}
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trait Trait {
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type Assoc;
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}
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impl<T0, T1, T2, T3, T4, T5, T6, T7> Trait for (T0, T1, T2, T3, T4, T5, T6, T7)
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where
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T0: Trait,
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T1: Trait,
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T2: Trait,
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T3: Trait,
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T4: Trait,
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T5: Trait,
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T6: Trait,
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T7: Trait,
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(
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T0::Assoc,
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T1::Assoc,
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T2::Assoc,
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T3::Assoc,
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T4::Assoc,
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T5::Assoc,
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T6::Assoc,
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T7::Assoc,
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): Clone,
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{
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type Assoc = (
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T0::Assoc,
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T1::Assoc,
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T2::Assoc,
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T3::Assoc,
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T4::Assoc,
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T5::Assoc,
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T6::Assoc,
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T7::Assoc,
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);
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}
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trait Overlap {}
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impl<T: Trait<Assoc = ()>> Overlap for T {}
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impl<T0, T1, T2, T3, T4, T5, T6, T7> Overlap for (T0, T1, T2, T3, T4, T5, T6, T7) {}
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fn main() {}
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