File: issue-106755.rs

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rustc 1.85.0%2Bdfsg3-1
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//@ compile-flags:-Ztranslate-lang=en_US

#![feature(negative_impls)]
#![feature(marker_trait_attr)]

#[marker]
trait MyTrait {}

struct TestType<T>(::std::marker::PhantomData<T>);

unsafe impl<T: MyTrait + 'static> Send for TestType<T> {}

impl<T: MyTrait> !Send for TestType<T> {} //~ ERROR found both positive and negative implementation

unsafe impl<T: 'static> Send for TestType<T> {} //~ ERROR conflicting implementations

impl !Send for TestType<i32> {}

fn main() {}