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//@ run-fail
//@ compile-flags: -Copt-level=3 -Cdebug-assertions=no -Zub-checks=yes
//@ error-pattern: unsafe precondition(s) violated: u8::unchecked_shr cannot overflow
#![feature(unchecked_shifts)]
fn main() {
unsafe {
0u8.unchecked_shr(u8::BITS);
}
}
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