…-errors

Split rustc_type_ir to avoid rustc_ast from depending on it

unblocks rust-lang#121576

and resolves a FIXME in `rustc_ast`'s `Cargo.toml`

The new crate is tiny, but it will get bigger in rust-lang#121576

…-errors

Split rustc_type_ir to avoid rustc_ast from depending on it

unblocks rust-lang#121576

and resolves a FIXME in `rustc_ast`'s `Cargo.toml`

The new crate is tiny, but it will get bigger in rust-lang#121576

…-errors

Split rustc_type_ir to avoid rustc_ast from depending on it

unblocks rust-lang#121576

and resolves a FIXME in `rustc_ast`'s `Cargo.toml`

The new crate is tiny, but it will get bigger in rust-lang#121576

…-errors

Split rustc_type_ir to avoid rustc_ast from depending on it

unblocks rust-lang#121576

and resolves a FIXME in `rustc_ast`'s `Cargo.toml`

The new crate is tiny, but it will get bigger in rust-lang#121576

Rollup merge of rust-lang#121695 - oli-obk:split_ty_utils, r=compiler-errors

Split rustc_type_ir to avoid rustc_ast from depending on it

unblocks rust-lang#121576

and resolves a FIXME in `rustc_ast`'s `Cargo.toml`

The new crate is tiny, but it will get bigger in rust-lang#121576

Convert the rest of the visitors to use `VisitorResult`

Continuing from rust-lang#121256.

…llaumeGomez

Rollup of 9 pull requests

Successful merges:

 - rust-lang#120976 (constify a couple thread_local statics)
 - rust-lang#121576 (Convert the rest of the visitors to use `VisitorResult`)
 - rust-lang#121826 (Use root obligation on E0277 for some cases)
 - rust-lang#121928 (Extract an arguments struct for `Builder::then_else_break`)
 - rust-lang#121958 (Fix redundant import errors for preload extern crate)
 - rust-lang#121959 (Removing absolute path in proc-macro)
 - rust-lang#121968 (Don't run test_get_os_named_thread on win7)
 - rust-lang#121977 (Doc: Fix incorrect reference to integer in Atomic{Ptr,Bool}::as_ptr.)
 - rust-lang#121978 (Fix duplicated path in the "not found dylib" error)

r? `@ghost`
`@rustbot` modify labels: rollup