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21 lines
644 B
Rust
21 lines
644 B
Rust
// Verify that we do not ICE when we try to overwrite an anon-const's type because of a trait
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// cycle.
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//
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//@ compile-flags: -Zincremental-ignore-spans
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//@ revisions: cpass cfail
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#![feature(trait_alias)]
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#![crate_type="lib"]
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#[cfg(cpass)]
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trait Bar<const N: usize> {}
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#[cfg(cfail)]
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trait Bar<const N: dyn BB> {}
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//[cfail]~^ ERROR cycle detected when computing type of `Bar::N`
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//[cfail]~| ERROR cycle detected when computing type of `Bar::N`
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//[cfail]~| ERROR cycle detected when computing type of `Bar::N`
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//[cfail]~| ERROR `(dyn Bar<{ 2 + 1 }> + 'static)` is forbidden as the type of a const generic parameter
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trait BB = Bar<{ 2 + 1 }>;
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