mirror of https://github.com/rust-lang/rust
69 lines
1.7 KiB
Rust
69 lines
1.7 KiB
Rust
// The dummy functions are used to avoid adding new cfail files.
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// What happens is that the compiler attempts to squash duplicates and some
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// errors are not reported. This way, we make sure that, for each function, different
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// typeck phases are involved and all errors are reported.
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#![feature(negative_impls)]
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use std::marker::Send;
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struct Outer<T: Send>(T);
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struct Outer2<T>(T);
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unsafe impl<T: Send> Sync for Outer2<T> {}
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fn is_send<T: Send>(_: T) {}
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fn is_sync<T: Sync>(_: T) {}
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fn dummy() {
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struct TestType;
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impl !Send for TestType {}
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Outer(TestType);
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//~^ ERROR `dummy::TestType` cannot be sent between threads safely
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//~| ERROR `dummy::TestType` cannot be sent between threads safely
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}
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fn dummy1b() {
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struct TestType;
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impl !Send for TestType {}
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is_send(TestType);
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//~^ ERROR `dummy1b::TestType` cannot be sent between threads safely
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}
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fn dummy1c() {
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struct TestType;
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impl !Send for TestType {}
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is_send((8, TestType));
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//~^ ERROR `dummy1c::TestType` cannot be sent between threads safely
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}
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fn dummy2() {
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struct TestType;
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impl !Send for TestType {}
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is_send(Box::new(TestType));
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//~^ ERROR `dummy2::TestType` cannot be sent between threads safely
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}
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fn dummy3() {
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struct TestType;
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impl !Send for TestType {}
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is_send(Box::new(Outer2(TestType)));
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//~^ ERROR `dummy3::TestType` cannot be sent between threads safely
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}
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fn main() {
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struct TestType;
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impl !Send for TestType {}
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// This will complain about a missing Send impl because `Sync` is implement *just*
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// for T that are `Send`. Look at #20366 and #19950
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is_sync(Outer2(TestType));
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//~^ ERROR `main::TestType` cannot be sent between threads safely
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}
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