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Cleanup option parsing and config.toml.example
- Add an assertion that `link-shared = true` when `thin-lto = true`.
Previously, link-shared would be silently overwritten.
- Get rid of `Option<bool>` in bootstrap/config.rs. Set defaults
immediately instead of delaying until later in bootstrap. This makes
it easier to find what the default value is.
- Remove redundant `config.x = false` when the default was already false
- Set defaults for `bindir` in `default_opts()` instead of `parse()`
- Update `download-ci-llvm = if-supported` option to match bootstrap.py
- Remove redundant check for link_shared. Previously, it was checked twice.
- Update various options in config.toml.example to their defaults.
Previously, some options showed an example value instead of the
default value.
- Fix incorrect defaults in config.toml.example
+ `use-libcxx` defaults to false
+ Add missing `check-stage = 0`
+ Update several defaults to be conditional (e.g. `if incremental { 10 } else { 100 }`)
- Remove redundant defaults in prose
- Use the same comment for the default and target-dependent `musl-root`
- Fix typos
- Link to `cc_detect` for `cc` and `cxx`, since the logic is ... complicated.
- Update more defaults to better reflect how they actually get set
- Remove ignored `gpg-password-file` option
This stopped being used in
7704d35,
but was never removed from config.toml.
- Remove unused flags from `config.toml`
+ Disallow `infodir` and `localstatedir` in `config.toml`
+ Allow the flags in `./configure`, but give a warning that they will be
ignored.
+ Fix incorrect comment that `datadir` will be ignored.
Example output:
```
$ ./configure --set install.infodir=xxx
configure: processing command line
configure:
configure: install.infodir := xxx
configure: build.configure-args := ['--set', 'install.infodir=xxx']
warning: infodir will be ignored
configure:
configure: writing `config.toml` in current directory
configure:
configure: run `python /home/joshua/rustc3/x.py --help`
configure:
```
- Update CHANGELOG
cc https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/bootstrap.20defaults
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- Add an assertion that `link-shared = true` when `thin-lto = true`.
Previously, link-shared would be silently overwritten.
- Get rid of `Option<bool>` in bootstrap/config.rs. Set defaults
immediately instead of delaying until later in bootstrap. This makes
it easier to find what the default value is.
- Remove redundant `config.x = false` when the default was already false
- Set defaults for `bindir` in `default_opts()` instead of `parse()`
- Update `download-ci-llvm = if-supported` option to match bootstrap.py
- Remove redundant check for link_shared. Previously, it was checked twice.
- Update various options in config.toml.example to their defaults.
Previously, some options showed an example value instead of the
default value.
- Fix incorrect defaults in config.toml.example
+ `use-libcxx` defaults to false
+ Add missing `check-stage = 0`
+ Update several defaults to be conditional (e.g. `if incremental { 10 } else { 100 }`)
- Remove redundant defaults in prose
- Use the same comment for the default and target-dependent `musl-root`
- Fix typos
- Link to `cc_detect` for `cc` and `cxx`, since the logic is ... complicated.
- Update more defaults to better reflect how they actually get set
- Remove ignored `gpg-password-file` option
This stopped being used in
https://github.com/rust-lang/rust/commit/7704d35accfe1b587ce41ea09ca3bf6a47aca117,
but was never removed from config.toml.
- Remove unused flags from `config.toml`
+ Disallow `infodir` and `localstatedir` in `config.toml`
+ Allow the flags in `./configure`, but give a warning that they will be
ignored.
+ Fix incorrect comment that `datadir` will be ignored.
Example output:
```
$ ./configure --set install.infodir=xxx
configure: processing command line
configure:
configure: install.infodir := xxx
configure: build.configure-args := ['--set', 'install.infodir=xxx']
warning: infodir will be ignored
configure:
configure: writing `config.toml` in current directory
configure:
configure: run `python /home/joshua/rustc3/x.py --help`
configure:
```
- Update CHANGELOG
- Add "as an example" where appropriate
- Link to an issue instead of to ephemeral chats
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Do not ICE when closure is involved in Trait Alias Impl Trait
Fix #83613.
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Add suggestion to reborrow mutable references when they're moved in a for loop
Address #83924
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Disable using non-ascii identifiers in extern blocks.
Fixes #83923.
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forbid `impl Trait` in generic param defaults
Fixes #83929
Forbid using `impl Trait` in the default types of generic parameters, e.g. `struct Foo<T = impl Trait>`. I assume this was never supposed to be allowed - it seems no UI test used it.
Note that using `impl Trait` in this position did not hit a feature gate error; however, this *shouldn't* be a breaking change as any attempt to use it should have hit the ICE in #83929 and/or failed to provide a defining use of the `impl Trait`.
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Use AnonConst for asm! constants
This replaces the old system which used explicit promotion. See #83169 for more background.
The syntax for `const` operands is still the same as before: `const <expr>`.
Fixes #83169
Because the implementation is heavily based on inline consts, we suffer from the same issues:
- We lose the ability to use expressions derived from generics. See the deleted tests in `src/test/ui/asm/const.rs`.
- We are hitting the same ICEs as inline consts, for example #78174. It is unlikely that we will be able to stabilize this before inline consts are stabilized.
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Trigger `unused_doc_comments` on macros at once
Fixes #83768
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Do not emit the advanced diagnostics on macros
Fixes #83510
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rustdoc: Store intra-doc links in Cache instead of on items directly
Items are first built after rustdoc creates the TyCtxt. To allow
resolving the links before the TyCtxt is built, the links can't be
stored on `clean::Item` directly.
Helps with https://github.com/rust-lang/rust/issues/83761. Opening this early because I think it might decrease memory usage.
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Bump bootstrap compiler
Pulls in #83946
Closes #83914
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Fix #83613.
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rustdoc: Use `ThinVec` in a few places
Almost every crate has no primitives and no keywords defined in it, so
using `ThinVec` should make some types smaller.
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Items are first built after rustdoc creates the TyCtxt. To allow
resolving the links before the TyCtxt is built, the links can't be
stored on `clean::Item` directly.
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Rollup of 7 pull requests
Successful merges:
- #82963 (Move `SharedContext` to `context.rs`)
- #83829 (rustc_target: Rely on defaults more in target specs)
- #83895 (Add listing of lints (eg via `-W help`) to rustdoc)
- #83902 (Update LLVM to support more wasm simd ops)
- #83903 (Fix typo in TokenStream documentation)
- #83910 (Update cargo)
- #83920 (Fix HashMap/HashSet LLDB pretty-printer after hashbrown 0.11.0)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Almost every crate has no primitives and no keywords defined in it, so
using `ThinVec` should make some types smaller.
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Fix HashMap/HashSet LLDB pretty-printer after hashbrown 0.11.0
The pretty-printer was broken in https://github.com/rust-lang/rust/pull/77566 after updating hashbrown to 0.11.0.
Note that the corresponding GDB pretty-printer was updated properly.
Fixes #83891
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Update cargo
3 commits in 3c44c3c4b7900b8b13c85ead25ccaa8abb7d8989..65d57e6f384c2317f76626eac116f683e2b63665
2021-03-31 21:21:15 +0000 to 2021-04-04 15:07:52 +0000
- Fix typo in contrib docs. (rust-lang/cargo#9328)
- fix clippy warnings (rust-lang/cargo#9323)
- Add -Zallow-features to match rustc's -Z (rust-lang/cargo#9283)
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Update LLVM to support more wasm simd ops
Adds a commit with support for i64 simd comparisons for the wasm target
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Add listing of lints (eg via `-W help`) to rustdoc
Fixes #83883
r? `@jyn514`
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Move `SharedContext` to `context.rs`
It is tightly connected to `Context` and is primarily used as a field in
`Context`. Thus, it should be next to `Context`.
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rustdoc: Use DiagnosticInfo in more parts of intra-doc links
This makes the code a lot less verbose.
This is separated into lots of tiny commits because it was easier for me that way, but the overall diff isn't that big if you want to read it at once.
r? `@bugadani`
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The pretty-printer was broken in https://github.com/rust-lang/rust/pull/77566
after updating hashbrown to 0.11.0.
Note that the corresponding GDB pretty-printer was updated properly.
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Allow specifying alignment for functions
Fixes #75072
This allows the user to specify alignment for functions, which can be useful for low level work where functions need to necessarily be aligned to a specific value.
I believe the error cases not covered in the match are caught earlier based on my testing so I had them just return `None`.
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It is tightly connected to `Context` and is primarily used as a field in
`Context`. Thus, it should be next to `Context`.
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Set dso_local for hidden, private and local items
This should probably have no real effect in most cases, as e.g. `hidden`
visibility already implies `dso_local` (or at least LLVM IR does not
preserve the `dso_local` setting if the item is already `hidden`), but
it should fix `-Crelocation-model=static` and improve codegen in
executables.
Note that this PR does not exhaustively port the logic in [clang], only the
portion that is necessary to fix a regression from LLVM 12 that relates to
`-Crelocation_model=static`.
Fixes #83335
[clang]: https://github.com/llvm/llvm-project/blob/3001d080c813da20b329303bf8f45451480e5905/clang/lib/CodeGen/CodeGenModule.cpp#L945-L1039
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Rollup of 8 pull requests
Successful merges:
- #83370 (Add `x.py setup tools` which enables `download-rustc` by default)
- #83489 (Properly suggest deref in else block)
- #83734 (Catch a bad placeholder type error for statics in `extern`s)
- #83814 (expand: Do not ICE when a legacy AST-based macro attribute produces and empty expression)
- #83835 (rustdoc: sort search index items for compression)
- #83849 (rustdoc: Cleanup handling of associated items for intra-doc links)
- #83881 (:arrow_up: rust-analyzer)
- #83885 (Document compiler/ with -Aprivate-intra-doc-links)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Document compiler/ with -Aprivate-intra-doc-links
Since compiler/ always passes --document-private-items, it's ok to link to items that are private.
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:arrow_up: rust-analyzer
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rustdoc: Cleanup handling of associated items for intra-doc links
Helps with https://github.com/rust-lang/rust/issues/83761 (right now the uses of the resolver are all intermingled with uses of the tyctxt). Best reviewed one commit at a time.
r? ```@bugadani``` maybe? Feel free to reassign :)
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rustdoc: sort search index items for compression
This should not affect the appearance of the docs pages themselves.
This makes the pre-compressed search index smaller, thanks to the
empty-string path duplication format, and also the gzipped version,
by giving the algorithm more structure to work with.
rust$ wc -c search-index-old.js search-index-new.js
2628334 search-index-old.js
2586181 search-index-new.js
5214515 total
rust$ gzip search-index-*
rust$ wc -c search-index-old.js.gz search-index-new.js.gz
239486 search-index-old.js.gz
237386 search-index-new.js.gz
476872 total
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expand: Do not ICE when a legacy AST-based macro attribute produces and empty expression
Fixes https://github.com/rust-lang/rust/issues/80251
The reported error is the same as for `let _ = #[cfg(FALSE)] EXPR;`
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Catch a bad placeholder type error for statics in `extern`s
Fixes #83621
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Properly suggest deref in else block
Continues #79755, fixes #79736
r? `@davidtwco`
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Add `x.py setup tools` which enables `download-rustc` by default
Helps with https://github.com/rust-lang/rust/issues/81930. I know I said in that issue that I should fix that rebasing rebuilds bootstrap, but the compile time improvement is so good I think it's ok to leave that fix for later (I still plan to work on it). I think all the outright bugs have been fixed :)
This builds on https://github.com/rust-lang/rust/pull/83368 so I can set the option to `if-unchanged`.
r? ```@Mark-Simulacrum```
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Use tikv-jemallocator in rustc/rustdoc in addition to jemalloc-sys when enabled.
In https://github.com/rust-lang/rust/pull/81782 it was mentioned that one reason rustc may benefit from minimalloc is it doesn't use the `sdallocx` api from jemalloc.
Currently, on unix, rust uses jemalloc by importing its symbols to use them with the default, System (libc) global allocator.
This PR switches its global alloc to `tikv-jemallocator`, which correctly uses sized deallocation (https://docs.rs/tikv-jemallocator/0.4.1/src/tikv_jemallocator/lib.rs.html#121-126). `tikv-jemallocator`, as far as I can tell, is a more up-to-date set of bindings to jemalloc than `jemallocator`
The perf results of this pr are in large part due to the version upgrade of jemalloc, but sized deallocation has a non-trivial improvement, particularly to rustdoc.
This pr also includes changes to bootstrap to correctly pass the jemalloc feature through to the rustdoc build
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Adds a commit with support for i64 simd comparisons for the wasm target
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Prevent very long compilation runtimes in LateBoundRegionNameCollector
Fixes https://github.com/rust-lang/rust/issues/83150
On recursive types such as in the example given in https://github.com/rust-lang/rust/issues/83150, the current implementation of `LateBoundRegionNameCollector` has very long compilation runtimes. To prevent those we store the types visited in the `middle::ty::Visitor` implementation of `LateBoundRegionNameCollector` in a `SsoHashSet`.
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