diff options
Diffstat (limited to 'tests/ui/type-alias-impl-trait/auto-trait-leakage2.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/auto-trait-leakage2.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/auto-trait-leakage2.rs b/tests/ui/type-alias-impl-trait/auto-trait-leakage2.rs new file mode 100644 index 000000000..fc89b0e87 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/auto-trait-leakage2.rs @@ -0,0 +1,25 @@ +#![feature(type_alias_impl_trait)] +#![allow(dead_code)] + +mod m { + use std::rc::Rc; + + type Foo = impl std::fmt::Debug; //~ NOTE appears within the type + //~^ within this `Foo` + //~| expansion of desugaring + + pub fn foo() -> Foo { + Rc::new(22_u32) + } +} + +fn is_send<T: Send>(_: T) {} +//~^ required by this bound +//~| required by a bound + +fn main() { + is_send(m::foo()); + //~^ ERROR: `Rc<u32>` cannot be sent between threads safely [E0277] + //~| NOTE cannot be sent + //~| NOTE required by a bound +} |