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For consistency with `ExpnId::root`.
Also introduce a helper `Span::with_root_ctxt` for creating spans with `SyntaxContext::root()` context
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Cleanup syntax::attr
Mostly removing needless arguments to constructors
r? @petrochenkov
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rustbuild
Remove some random unnecessary lint `allow`s
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Turn `#[global_allocator]` into a regular attribute macro
It was a 99% macro with exception of some diagnostic details.
As a result of the change, `#[global_allocator]` now works in nested modules and even in nameless blocks.
Fixes https://github.com/rust-lang/rust/issues/44113
Fixes https://github.com/rust-lang/rust/issues/58072
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fakenine:normalize_use_of_backticks_compiler_messages_p11, r=GuillaumeGomez
normalize use of backticks in compiler messages for librustc_metadata
https://github.com/rust-lang/rust/issues/60532
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https://github.com/rust-lang/rust/issues/60532
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Now that procedural macros no longer link transitively to libsyntax,
this shouldn't be needed any more! This commit is an experiment in
removing all dynamic libraries from rustc except for librustc_driver
itself. Let's see how far we can get with that!
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The (almost) culmination of HirIdification
It's finally over.
This PR removes old `FIXME`s and renames some functions so that the `HirId` variant has the shorter name.
All that remains (and rightfully so) is stuff in `resolve`, `save_analysis` and (as far as I can tell) in a few places where we can't replace `NodeId` with `HirId`.
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Implement another internal lints
cc #49509
This adds ~~two~~ one internal lint~~s~~:
1. LINT_PASS_IMPL_WITHOUT_MACRO: Make sure, that the `{declare,impl}_lint_pass` macro is used to implement lint passes. cc #59669
2. ~~USAGE_OF_TYCTXT_AND_SPAN_ARGS: item 2 on the list in #49509~~
~~With 2. I wasn't sure, if this lint should be applied everywhere. That means a careful review of 0955835 would be great. Also 73fb9b4 allows this lint on some functions. Should I also apply this lint there?~~
TODO (not directly relevant for review):
- [ ] https://github.com/rust-lang/rust/pull/59316#discussion_r280186517 (not sure yet, if this works or how to query for `rustc_private`, since it's not in [`Features`](https://doc.rust-lang.org/nightly/nightly-rustc/syntax/feature_gate/struct.Features.html) :thinking: cc @eddyb)
- [x] https://github.com/rust-lang/rust/pull/61735#discussion_r292389870
- [x] Check explicitly for the `{declare,impl}_lint_pass!` macros
r? @oli-obk
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syntax: Factor out common fields from `SyntaxExtension` variants
And some other related cleanups.
Continuation of https://github.com/rust-lang/rust/pull/61606.
This will also help to unblock https://github.com/rust-lang/rust/pull/61877.
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Make use of `ptr::null(_mut)` instead of casting zero
There are few places that I don't replace the zero casting pointer with `ptr::null`
or `ptr::null_mut`:
```bash
% git grep -E '[ ([{]0 as \*'
src/libcore/ptr/mod.rs:216:pub const fn null<T>() -> *const T { 0 as *const T }
src/libcore/ptr/mod.rs:231:pub const fn null_mut<T>() -> *mut T { 0 as *mut T }
src/test/run-pass/consts/const-cast-ptr-int.rs:12:static a: TestStruct = TestStruct{x: 0 as *const u8};
src/test/ui/issues/issue-45730.rs:5: let x: *const _ = 0 as *const _; //~ ERROR cannot cast
src/test/ui/issues/issue-45730.rs:8: let x = 0 as *const i32 as *const _ as *mut _; //~ ERROR cannot cast
src/test/ui/issues/issue-45730.stderr:14:LL | let x: *const _ = 0 as *const _;
src/test/ui/issues/issue-45730.stderr:24:LL | let x = 0 as *const i32 as *const _ as *mut _;
src/test/ui/lint/lint-forbid-internal-unsafe.rs:15: println!("{}", evil!(*(0 as *const u8)));
src/test/ui/order-dependent-cast-inference.rs:5: let mut y = 0 as *const _;
src/test/ui/order-dependent-cast-inference.stderr:4:LL | let mut y = 0 as *const _;
```
r? @sfackler
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Deprecate ONCE_INIT in future 1.38 release
Once::new() has been a stable const fn for a while now.
Closes #61746
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Once::new() has been a stable const fn for a while now.
Closes #61746
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Rollup of 11 pull requests
Successful merges:
- #61518 (Add loops to doc list of things not stable in const fn)
- #61526 (move some tests into subfolders)
- #61550 (Windows 10 SDK is also required now.)
- #61606 (Remove some legacy proc macro flavors)
- #61652 (Mention slice patterns in array)
- #61686 (librustc_errors: Add some more documentation)
- #61698 (typeck: Fix const generic in repeat param ICE.)
- #61707 (Azure: retry failed awscli installs)
- #61715 (make sure make_ascii_lowercase actually leaves upper-case non-ASCII characters alone)
- #61724 (core: use memcmp optimization for 128 bit integer slices)
- #61726 (Use `for_each` in `Iterator::partition`)
Failed merges:
r? @ghost
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Remove GlobalArenas and use Arena instead
r? @eddyb
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