mirror of https://github.com/rust-lang/rust
29 lines
696 B
Rust
29 lines
696 B
Rust
//@ revisions: current next
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//@[next] compile-flags: -Znext-solver
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//@[next] failure-status: 101
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//@[next] known-bug: unknown
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//@[next] normalize-stderr-test: "note: .*\n\n" -> ""
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//@[next] normalize-stderr-test: "thread 'rustc' panicked.*\n.*\n" -> ""
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//@[next] normalize-stderr-test: "(error: internal compiler error: [^:]+):\d+:\d+: " -> "$1:LL:CC: "
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//@[next] normalize-stderr-test: "delayed at .*" -> ""
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//@[next] rustc-env:RUST_BACKTRACE=0
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//@ check-pass
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#![feature(trait_upcasting)]
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trait Super {
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type Assoc;
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}
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trait Sub: Super {}
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impl<T: ?Sized> Super for T {
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type Assoc = i32;
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}
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fn illegal(x: &dyn Sub<Assoc = i32>) -> &dyn Super<Assoc = impl Sized> {
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x
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}
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fn main() {}
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