mirror of https://github.com/rust-lang/rust
13 lines
462 B
Rust
13 lines
462 B
Rust
// Regression test for hashing involving canonical variables. In this
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// test -- which has an intentional error -- the type of the value
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// being dropped winds up including a type variable. Canonicalization
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// would then produce a `?0` which -- in turn -- triggered an ICE in
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// hashing.
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//@ revisions:cfail1
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fn main() {
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println!("Hello, world! {}",*thread_rng().choose(&[0, 1, 2, 3]).unwrap());
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//[cfail1]~^ ERROR cannot find function `thread_rng`
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}
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