Renamed 'native.rs' to 'llvm.rs', also moved `TestHelpers` to `test.rs`.Replaced all the `native.rs` ocurrences at `src/bootstrap` files to `llvm.rs`

I currently don't have enough time to be on rotation. You can stillrequest a review from me and I may still steal PRs sometimes though.

9 commits in 15d090969743630bff549a1b068bcaa8174e5ee3..145219a9f089f8b57c09f40525374fbade1e34ae2023-03-21 17:54:28 +0000 to 2023-03-27 01:56:36 +0000- doc(contrib): missing quotation mark (rust-lang/cargo#11894)- Update changelog for 1.68.2 (rust-lang/cargo#11893)- Add the old github keys as revoked (rust-lang/cargo#11889)- Update proptest (rust-lang/cargo#11886)- Added new GitHub RSA Host Key (rust-lang/cargo#11883)- doc: Fix registries.name.index for sparse (rust-lang/cargo#11880)- docs(contrib): Replace architecture with redirects (rust-lang/cargo#11876)- docs: fix typos in `cargo_compile/mod.rs` (rust-lang/cargo#11874)- docs(contrub): Remove unused file (rust-lang/cargo#11873)

- Link to more documentation- Move `changelog-seen` into the "Global Settings" section- Update incorrect comments on `llvm.link-shared` and  `rust.debug-assertions`- Use the correct default in the commented-out example more often- Clarify that `docs` and `compiler-docs` only control the default,  they're not a hard-off switch.- Document `-vvv` and `local-rebuild`- Minor improvements to doc-comments in config.toml.exampleThis also sets `download-rustc = false`; that was already the default,but it will be helpful in case the default changes(https://jyn.dev/2023/01/12/Bootstrapping-Rust-in-2023.html).

…ertlarsan68More config.toml.example cleanups- Link to more documentation- Move `changelog-seen` into the "Global Settings" section- Update incorrect comments on `llvm.link-shared` and `rust.debug-assertions`- Use the correct default in the commented-out example more often- Clarify that `docs` and `compiler-docs` only control the default, they're not a hard-off switch.- Document `-vvv` and `local-rebuild`- Minor improvements to doc-comments in config.toml.exampleThis also sets `download-rustc = false`; that was already the default, but it will be helpful in case the default changes (https://jyn.dev/2023/01/12/Bootstrapping-Rust-in-2023.html).

…s-to-llvm.rs, r=Mark-SimulacrumRename 'src/bootstrap/native.rs' to llvm.rsFixedrust-lang#108240Renamed 'native.rs' to 'llvm.rs', also moved `TestHelpers` to `test.rs`. Replaced all the `native.rs` occurrences at `src/bootstrap` files to `llvm.rs`

… r=lcnrRemove some stale FIXMEs in new solverSome FIXMEs are no longer needed

Refactor: Separate `LocalRef` variant for not-evaluated-yet operandsAs I was reading through this, I noticed that almost every place that was using this needed to distinguish between Some vs None in the match arm anyway, so thought that separating the cases at the variant level might be clearer instead.I like how it ended up; let me know what you think!

…ode, r=albertlarsan68Remove Nilstrieb from review rotationI currently don't have enough time to be on rotation. You can still request a review from me and I may still steal PRs sometimes though.

Update cargo9 commits in 15d090969743630bff549a1b068bcaa8174e5ee3..145219a9f089f8b57c09f40525374fbade1e34ae 2023-03-21 17:54:28 +0000 to 2023-03-27 01:56:36 +0000- doc(contrib): missing quotation mark (rust-lang/cargo#11894)- Update changelog for 1.68.2 (rust-lang/cargo#11893)- Add the old github keys as revoked (rust-lang/cargo#11889)- Update proptest (rust-lang/cargo#11886)- Added new GitHub RSA Host Key (rust-lang/cargo#11883)- doc: Fix registries.name.index for sparse (rust-lang/cargo#11880)- docs(contrib): Replace architecture with redirects (rust-lang/cargo#11876)- docs: fix typos in `cargo_compile/mod.rs` (rust-lang/cargo#11874)- docs(contrub): Remove unused file (rust-lang/cargo#11873)r? `@ghost`

…etroalbiniBackport 1.68.1 and 1.68.2 release notes to `master`