Auto merge of #161208 - jhpratt:rollup-bgWoX3a, r=jhpratt

Rollup of 12 pull requests

Successful merges:

 - rust-lang/rust#161127 (Make ShardedHashMap::with_capacity split capacity between shards)
 - rust-lang/rust#161183 (avoid pointless spans in target modifier errors)
 - rust-lang/rust#161203 (Analysis cleanups)
 - rust-lang/rust#155942 (Stabilize `-Zprofile-sample-use`)
 - rust-lang/rust#160939 (Fix std-features example in bootstrap.example.toml)
 - rust-lang/rust#161084 (Add regression test for test_case attribute on a use item)
 - rust-lang/rust#161139 (Add regression test for dyn impl missing type)
 - rust-lang/rust#161150 (add crashtests [4/N])
 - rust-lang/rust#161170 (Add regression test for trait on next solver)
 - rust-lang/rust#161173 (tidy: Properly restrict undocumented-unsafe to `library/core`)
 - rust-lang/rust#161191 (Improve `powerpc-types.rs` test)
 - rust-lang/rust#161198 (ping me when target ABI checks are being changed)