mirror of https://github.com/rust-lang/rust
31 lines
467 B
Rust
31 lines
467 B
Rust
//@ build-pass
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//@ compile-flags:-Copt-level=0
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//@ edition:2018
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struct S<T>(std::marker::PhantomData<T>);
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impl<T> std::ops::Deref for S<T> {
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type Target = T;
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fn deref(&self) -> &Self::Target {
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todo!()
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}
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}
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impl<T> std::ops::DerefMut for S<T> {
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fn deref_mut(&mut self) -> &mut Self::Target {
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todo!()
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}
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}
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async fn new() -> S<u64> {
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todo!()
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}
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async fn crash() {
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*new().await = 1 + 1;
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}
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fn main() {
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let _ = crash();
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}
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