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Annotate the allocator crates (allocator_system, allocator_jemalloc) by
the type of allocator they are. If one is requested as an exe allocator,
detect its type by the flags.
This has the effect that using this (de jure wrong) configuration in the
target spec works instead of producing a really unhelpful and arcane
linker error:
"exe-allocation-crate": "alloc_system"
Fixes #43524.
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This should now be entirely tracked through queries, so no need to have a
`DepGraph` in the `CStore` object any more!
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This commit moves the `crates` method to a query and then migrates all callers
to use a query instead of the now-renamed `crates_untracked` method where
possible.
Closes #41417
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Previously a `Symbol` was stored there, but this ended up causing hash
collisions in situations that otherwise shouldn't have a hash collision. Only
the symbol's string value was hashed, but it was possible for distinct symbols
to have the same string value, fooling various calcuations into thinking that
these paths *didn't* need disambiguating data when in fact they did!
By storing `InternedString` instead we're hopefully triggering all the exising
logic to disambiguate paths with same-name `Symbol` but actually distinct
locations.
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This commit primarily removes the `stability` field from `TyCtxt` as well as its
internal mutable state, instead using a query to build the stability index as
well as primarily using queries for other related lookups.
Like previous commits the calculation of the stability index is wrapped in a
`with_ignore` node to avoid regressing the current tests, and otherwise this
commit also introduces #44232 but somewhat intentionally so.
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Should hopefully more accurately reflect what's happening! This commit also
removes the cache in the cstore implementation as it's already cached through
the query infrastructure.
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This commit removes the `use_crates` and `used_crate_source` methods in favor of
a mix of queries and helper methods being used now instead.
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These are only called pre-TyCtxt (e.g. lowering/resolve), so make it explicit in
the name that they're untracked and therefore unsuitable to called elsewhere.
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Turns out it was basically already a query if you squinted hard enough!
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This commit migrates the `item_body` method on `CrateStore` to a query instead
to enable better tracking of dependencies and whatnot.
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Given the previous commit, these are now trivially representable as queries!
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This commit moves the calculation of the `LanguageItems` structure into a
query rather than being calculated before the `TyCtxt` exists, with the eventual
end goal of removing some `CrateStore` methods.
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The main use of `CrateStore` *before* the `TyCtxt` is created is during
resolution, but we want to be sure that any methods used before resolution are
not used after the `TyCtxt` is created. This commit starts moving the methods
used by resolve to all be named `{name}_untracked` where the rest of the
compiler uses just `{name}` as a query.
During this transition a number of new queries were added to account for
post-resolve usage of these methods.
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This commit started by moving methods from `CrateStore` to queries, but it ended
up necessitating some deeper refactorings to move more items in general to
queries.
Before this commit the *resolver* would walk over the AST and process foreign
modules (`extern { .. }` blocks) and collect `#[link]` annotations. It would
then also process the command line `-l` directives and such. This information
was then stored as precalculated lists in the `CrateStore` object for iterating
over later.
After this, commit, however, this pass no longer happens during resolution but
now instead happens through queries. A query for the linked libraries of a crate
will crawl the crate for `extern` blocks and then process the linkage
annotations at that time.
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While we're at it, make it two separate queries so one's for rustdoc and one's
for the compiler, hopefully being a bit more targeted.
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This comit applies the following changes:
* Deletes the `is_allocator` query as it's no longer used
* Moves the `is_sanitizer_runtime` method to a query
* Moves the `is_profiler_runtime` method to a query
* Moves the `panic_strategy` method to a query
* Moves the `is_no_builtins` method to a query
* Deletes the cstore method of `is_compiler_builtins`. The query was added in
#42588 but the `CrateStore` method was not deleted
A good bit of these methods were used late in linking during trans so a new
dedicated structure was created to ship a calculated form of this information
over to the linker rather than having to ship the whole of `TyCtxt` over to
linking.
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stabilize mem::discriminant (closes #24263)
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StorageDead's.
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This map, like `trait_map`, is calculated in resolve, but we want to be sure to
track it for incremental compliation. Hide it behind a query to get more
refactorings later.
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Fixes #41701.
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Implement From<&[T]> and others for Arc/Rc (RFC 1845)
* Implements `From<`{`&[T]`, `&str`, `String`, `Box<T> where T: ?Sized`, `Vec<T>`}`>` for `Arc`/`Rc`
* Removes `rustc_private`-marked methods `Rc::__from_array` and `Rc::__from_str`, replacing their use with `Rc::from`
Tracking issue: #40475
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Implements RFC 1845, adding implementations of:
* `From<&[T]>` for `Rc<[T]>`
* `From<&str>` for `Rc<str>`
* `From<String>` for `Rc<str>`
* `From<Box<T: ?Sized>>` for `Rc<T>`
* `From<Vec<T>>` for `Rc<[T]>`
* and likewise for `Arc<_>`
Also removes now-obsolete internal methods `Rc::__from_array` and
`Rc::__from_str`, replacing their use with `Rc::from`.
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Like #43008 (f668999), but _much more aggressive_.
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Encode proper module spans in crate metadata.
The spans previously encoded only span the first token after the opening
brace, up to the closing brace of inline `mod` declarations. Thus, when
examining exports from an external crate, the spans don't include the
header of inline `mod` declarations.
r? @eddyb
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The spans previously encoded only span the first token after the opening
brace, up to the closing brace of inline `mod` declarations. Thus, when
examining exports from an external crate, the spans don't include the
header of inline `mod` declarations.
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This commit adds a new field to the `Item` AST node in libsyntax to optionally
contain the original token stream that the item itself was parsed from. This is
currently `None` everywhere but is intended for use later with procedural
macros.
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