Rollup merge of #107125 - WaffleLapkin:expect_an_item_in_your_hir_by_the_next_morning...

Add and use expect methods to hir.

[The future has come](https://github.com/rust-lang/rust/pull/106090/files#r1070062462).

r? `@Nilstrieb`

tbh I'm not even sure if it's worth it

diff --cc compiler/rustc_hir/src/hir.rs
Simple merge

diff --cc compiler/rustc_hir_analysis/src/astconv/mod.rs
Simple merge

diff --cc compiler/rustc_hir_analysis/src/check/compare_impl_item.rs
Simple merge

diff --cc compiler/rustc_hir_analysis/src/check/wfcheck.rs
Simple merge

diff --cc compiler/rustc_hir_analysis/src/coherence/builtin.rs
Simple merge

diff --cc compiler/rustc_hir_analysis/src/collect.rs
Simple merge