23 lines
523 B
Rust
23 lines
523 B
Rust
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// compile-flags: -Ztrait-solver=next
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// Test that we don't incorrectly leak unconstrained inference variables
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// if the projection contained an error. This caused an ICE in writeback.
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trait Mirror {
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type Assoc: ?Sized;
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}
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struct Wrapper<T: ?Sized>(T);
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impl<T: ?Sized> Mirror for Wrapper<T> {
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type Assoc = T;
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}
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fn mirror<W: Mirror>(_: W) -> Box<W::Assoc> { todo!() }
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fn type_error() -> TypeError { todo!() }
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//~^ ERROR cannot find type `TypeError` in this scope
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fn main() {
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let x = mirror(type_error());
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}
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