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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
commit 350e7f858e
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10 changed files with 100 additions and 86 deletions
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6
compiler/rustc_middle/src/middle/dependency_format.rs
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@ -8,13 +8,13 @@
// this will introduce circular dependency between rustc_metadata and rustc_middle
use rustc_data_structures::fx::FxIndexMap;
use rustc_hir::def_id::CrateNum;
use rustc_index::IndexVec;
use rustc_macros::{Decodable, Encodable, HashStable};
use rustc_session::config::CrateType;
/// A list of dependencies for a certain crate type.
///
/// The length of this vector is the same as the number of external crates used.
pub type DependencyList = Vec<Linkage>;
pub type DependencyList = IndexVec<CrateNum, Linkage>;
/// A mapping of all required dependencies for a particular flavor of output.
///