19 lines
378 B
Rust
19 lines
378 B
Rust
// Tests that an `&` pointer to something inherently mutable is itself
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// to be considered mutable.
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#![feature(optin_builtin_traits)]
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use std::marker::Sync;
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struct NoSync;
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impl !Sync for NoSync {}
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enum Foo { A(NoSync) }
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fn bar<T: Sync>(_: T) {}
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fn main() {
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let x = Foo::A(NoSync);
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bar(&x);
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//~^ ERROR `NoSync` cannot be shared between threads safely [E0277]
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}
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