mirror of https://github.com/rust-lang/rust
20 lines
596 B
Rust
20 lines
596 B
Rust
//@ check-fail
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struct S;
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fn main() {
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let mut manual1 = std::mem::ManuallyDrop::new(S);
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let mut manual2 = std::mem::ManuallyDrop::new(S);
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let mut manual3 = std::mem::ManuallyDrop::new(S);
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drop(std::mem::ManuallyDrop::new(S)); //~ ERROR calls to `std::mem::drop`
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drop(manual1); //~ ERROR calls to `std::mem::drop`
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drop({ manual3 }); //~ ERROR calls to `std::mem::drop`
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// These lines will drop `S` and should be okay.
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unsafe {
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std::mem::ManuallyDrop::drop(&mut std::mem::ManuallyDrop::new(S));
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std::mem::ManuallyDrop::drop(&mut manual2);
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}
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}
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