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use std::fmt;
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fn main() {
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let x: *const _ = 0 as _; //~ ERROR cannot cast
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let x: *const _ = 0 as *const _; //~ ERROR cannot cast
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let y: Option<*const dyn fmt::Debug> = Some(x) as _;
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let x = 0 as *const i32 as *const _ as *mut _; //~ ERROR cannot cast
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}
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