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Rollup merge of #134514 - bjorn3:more_driver_refactors, r=jieyouxu

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Improve dependency_format a bit

* Make `DependencyList` an `IndexVec` rather than emulating one using a `Vec` (which was off-by-one as LOCAL_CRATE was intentionally skipped)
* Update some comments for the fact that we now use `#[global_allocator]` rather than `extern crate alloc_system;`/`extern crate alloc_jemalloc;` for specifying which allocator to use. We still use a similar mechanism for the panic runtime, so refer to the panic runtime in those comments instead.
* An unrelated refactor to `create_and_enter_global_ctxt` I forgot to include in https://github.com/rust-lang/rust/pull/134302. This refactor is too small to be worth it's own PR.
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DianQK 2024-12-20 21:47:00 +08:00 • committed by GitHub
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compiler/rustc_session/src/cstore.rs
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@ -42,7 +42,7 @@ pub enum CrateDepKind {
/// A dependency that is only used for its macros.
MacrosOnly,
/// A dependency that is always injected into the dependency list and so
/// doesn't need to be linked to an rlib, e.g., the injected allocator.
/// doesn't need to be linked to an rlib, e.g., the injected panic runtime.
Implicit,
/// A dependency that is required by an rlib version of this crate.
/// Ordinary `extern crate`s result in `Explicit` dependencies.