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30 lines
605 B
Rust
30 lines
605 B
Rust
#![feature(never_type)]
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#![allow(unused_variables)]
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#![allow(unused_assignments)]
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#![allow(dead_code)]
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#![deny(unreachable_code)]
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fn foo() {
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// No error here.
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let x;
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x = return; //~ ERROR unreachable
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}
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fn bar() {
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use std::ptr;
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let p: *mut ! = ptr::null_mut::<!>();
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unsafe {
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// Here we consider the `return` unreachable because
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// "evaluating" the `*p` has type `!`. This is somewhat
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// dubious, I suppose.
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*p = return; //~ ERROR unreachable
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}
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}
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fn baz() {
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let mut i = 0;
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*{return; &mut i} = 22; //~ ERROR unreachable
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}
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fn main() { }
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