rust/tests/ui/coherence/coherence-overlap-all-t-and-tuple.rs

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// Check that we detect an overlap here in the case where:
//
// for some type X:
// T = (X,)
// T11 = X, U11 = X
//
// Seems pretty basic, but then there was issue #24241. :)
trait From<U> {
fn foo() {}
}
impl <T> From<T> for T {
}
impl <T11, U11> From<(U11,)> for (T11,) {
//~^ ERROR E0119
}
fn main() { }