TY&RES: ignore impls from non-dependency crates

[vlad20012]

No description provided.

[dima74]

Btw there are some regressions

[vlad20012]

I just checked the tokio regression. The regression occurs because there is a file included into 2 crates.
Minimized:

//- tests/foo.rs
    pub struct Foo;
    impl Foo {
        pub fn foo(&self) {}
    }
//- tests/a.rs
    mod foo;
    fn main() {
        foo::Foo.foo();
    }          //^ tests/foo.rs
//- tests/b.rs
    mod foo;
    fn main() {
        foo::Foo.foo();
    }

UPD: I've added a test with this case #9283

[dima74]

The regression occurs because there is a file included into 2 crates.

I think it is ok because currently we don't fully support files included in module tree multiple times in resolve, etc. What about amethyst regressions?

[vlad20012]

What about amethyst regressions?

It seems like there are a lot of fixed unresolved references false-positives that lead to the fact that more types has been inferred that in turn lead some new false-positives with these types. So this seems pretty fine

I think it is ok because currently we don't fully support files included in module tree multiple times in resolve, etc

I'm going to fix it soon anyway

[vlad20012]

bors r=dima74

[bors]

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