11 lines
200 B
Rust
11 lines
200 B
Rust
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#![feature(multiple_supertrait_upcastable)]
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#![deny(multiple_supertrait_upcastable)]
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trait A {}
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trait B {}
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trait C: A + B {}
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//~^ ERROR `C` is object-safe and has multiple supertraits
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fn main() {}
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