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// aux-build: coherence_cross_crate_trait_decl.rs
// This test ensures that adding an `impl SomeTrait for i32` within
// `coherence_cross_crate_trait_decl` is not a breaking change, by
// making sure that even without such an impl this test fails to compile.
#![feature(type_alias_impl_trait)]
extern crate coherence_cross_crate_trait_decl;
use coherence_cross_crate_trait_decl::SomeTrait;
trait OtherTrait {}
type Alias = impl SomeTrait;
fn constrain() -> Alias {
()
}
impl OtherTrait for Alias {}
impl OtherTrait for i32 {}
//~^ ERROR: conflicting implementations of trait `OtherTrait` for type `Alias`
fn main() {}
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