bors [Tue, 10 Mar 2020 17:12:48 +0000 (17:12 +0000)]
Auto merge of #66364 - Centril:cleanup-macro-def, r=petrochenkov,eddyb
Cleanup `rmeta::MacroDef`
Avoid using rountrip parsing in the encoder and in `fn load_macro_untracked`.
The main reason I was interested in this was to remove `rustc_parse` as a dependency of `rustc_metadata` but it seems like this had other benefits as well.
Fixes #49511.
r? @eddyb
cc @matthewjasper @estebank @petrochenkov
bors [Tue, 10 Mar 2020 05:48:27 +0000 (05:48 +0000)]
Auto merge of #69879 - Centril:rollup-ryea91j, r=Centril
Rollup of 10 pull requests
Successful merges:
- #69475 (Remove the `no_force` query attribute)
- #69514 (Remove spotlight)
- #69677 (rustc_metadata: Give decoder access to whole crate store)
- #69714 (Make PlaceRef take just one lifetime)
- #69799 (Allow ZSTs in `AllocRef`)
- #69817 (test(patterns): add patterns feature tests to borrowck test suite)
- #69836 (Check if output is immediate value)
- #69847 (clean up E0393 explanation)
- #69861 (Add note about localization to std::fmt docs)
- #69877 (Vec::new is const stable in 1.39 not 1.32)
This really surprised me when a MSRV check for 1.35 failed with `Vec::new is not yet stable as a const fn` and the docs said that it was const stabilized in 1.32.
Rollup merge of #69799 - TimDiekmann:zst, r=Amanieu
Allow ZSTs in `AllocRef`
Allows ZSTs in all `AllocRef` methods. The implementation of `AllocRef` for `Global` and `System` were adjusted to reflect those changes.
This is the second item on the roadmap to support ZSTs in `AllocRef`: https://github.com/rust-lang/wg-allocators/issues/38#issuecomment-595861542
After this has landed, I will adapt `RawVec`, but since this will be a pretty big overhaul, it makes sense to do a different PR for it.
Rollup merge of #69514 - GuillaumeGomez:remove-spotlight, r=kinnison
Remove spotlight
I had a few comments saying that this feature was at best misunderstood or not even used so I decided to organize a poll about on [twitter](https://twitter.com/imperioworld_/status/1232769353503956994). After 87 votes, the result is very clear: it's not useful. Considering the amount of code we have just to run it, I think it's definitely worth it to remove it.
Perform the "normalization" (renamed to "uninterpolation") on the fly when necessary.
The final part of https://github.com/rust-lang/rust/pull/69579 https://github.com/rust-lang/rust/pull/69384 https://github.com/rust-lang/rust/pull/69376 https://github.com/rust-lang/rust/pull/69211 https://github.com/rust-lang/rust/pull/69034 https://github.com/rust-lang/rust/pull/69006.
r? @Centril
Rollup merge of #69762 - RalfJung:validity-errors, r=oli-obk
Ensure that validity only raises validity errors
For now, only as a debug-assertion (similar to const-prop detecting errors that allocate).
Now includes https://github.com/rust-lang/rust/pull/69646.
[Relative diff](https://github.com/RalfJung/rust/compare/layout-visitor...RalfJung:validity-errors).
Although `stack_overflow::init` runs very early in the process, even
before `main`, there may already be signal handlers installed for things
like the address sanitizer. In that case, just leave it alone, and don't
bother trying to allocate our own signal stacks either.
Rollup merge of #69201 - Aaron1011:feature/permit-if-attr, r=Centril
Permit attributes on 'if' expressions
Previously, attributes on 'if' expressions (e.g. `#[attr] if true {}`)
were disallowed during parsing. This made it impossible for macros to
perform any custom handling of such attributes (e.g. stripping them
away), since a compilation error would be emitted before they ever had a
chance to run.
This PR permits attributes on 'if' expressions ('if-attrs' from here on).
Both built-in attributes (e.g. `#[allow]`, `#[cfg]`) and proc-macro attributes are supported.
We still do *not* accept attributes on 'other parts' of an if-else
chain. That is, the following code snippet still fails to parse:
```rust
if true {} #[attr] else if false {} else #[attr] if false {} #[attr]
else {}
```
Although `stack_overflow::init` runs very early in the process, even
before `main`, there may already be signal handlers installed for things
like the address sanitizer. In that case, just leave it alone, and don't
bother trying to allocate our own signal stacks either.
bors [Sun, 8 Mar 2020 15:54:09 +0000 (15:54 +0000)]
Auto merge of #69829 - Centril:rollup-lm5lzsq, r=Centril
Rollup of 7 pull requests
Successful merges:
- #69631 (remove non-sysroot sources from rust-src component)
- #69646 (Miri visitor: detect primitive types based on type, not layout (also, more tests))
- #69651 (Try to ensure usize marker does not get merged)
- #69668 (More documentation and simplification of BTreeMap's internals)
- #69771 (Cleanup E0390 explanation)
- #69777 (Add missing ` in doc for File::with_options())
- #69812 (Refactorings to method/probe.rs and CrateId)
Rollup merge of #69651 - Mark-Simulacrum:black-box-marker, r=eddyb
Try to ensure usize marker does not get merged
This follows up on [this conversation](https://github.com/rust-lang/rust/pull/69209#discussion_r379911282). However, I'm not confident this is quite correct, so feedback is appreciated, as always.
Rollup merge of #69631 - RalfJung:rust-src, r=Mark-Simulacrum
remove non-sysroot sources from rust-src component
See https://github.com/rust-lang/rust/pull/69592#discussion_r386238725: these were likely added in https://github.com/rust-lang/rust/pull/58269 for the sake of compiler plugins, but those are being entirely phased out, so there is no good reason to ship these sources.
bors [Sun, 8 Mar 2020 10:51:46 +0000 (10:51 +0000)]
Auto merge of #69822 - Centril:rollup-360ca2j, r=Centril
Rollup of 8 pull requests
Successful merges:
- #69422 (Remove use of `unwrap()` from save-analysis)
- #69548 (Turn trailing tokens in `assert!()` into hard errors)
- #69561 (Clean up unstable book)
- #69599 (check_binding_alt_eq_ty: improve precision wrt. `if let`)
- #69641 (Update books)
- #69776 (Fix & test leak of some BTreeMap nodes on panic during `into_iter`)
- #69805 (resolve: Modernize some naming)
- #69810 (test(bindings_after_at): add dynamic drop tests for bindings_after_at)
Rollup merge of #69641 - ehuss:update-books, r=ehuss
Update books
## nomicon
8 commits in 3e6e1001dc6e095dbd5c88005e80969f60e384e1..9f797e65e6bcc79419975b17aff8e21c9adc039f
2019-12-14 22:08:52 +0000 to 2020-03-04 03:45:13 +0100
- Rustup to latest rustc (rust-lang-nursery/nomicon#203)
- (minor) Add backticks around type names (rust-lang-nursery/nomicon#197)
- Add book.toml (rust-lang-nursery/nomicon#185)
- Rename `Alloc` to `AllocRef` (rust-lang-nursery/nomicon#188)
- Lifetimes: explain how to fix destructor example (rust-lang-nursery/nomicon#195)
- mention soundness (rust-lang-nursery/nomicon#194)
- Fix example in FFI section Calling Rust from C (rust-lang-nursery/nomicon#193)
- Removed repeated word (rust-lang-nursery/nomicon#191)
## reference
8 commits in 64239df6d173562b9deb4f012e4c3e6e960c4754..559e09caa9661043744cf7af7bd88432d966f743
2020-02-10 19:05:13 +0100 to 2020-03-02 01:17:14 +0100
- Syntax error fix (rust-lang-nursery/reference#769)
- Fix incorrect pseudocode for #[repr(C)] struct alignment (rust-lang-nursery/reference#766)
- Replace "Field-Less" with "Fieldless" (rust-lang-nursery/reference#768)
- Removed repeated word (rust-lang-nursery/reference#767)
- Update for change in const lint name. (rust-lang-nursery/reference#764)
- semantic type -> resolved type (rust-lang-nursery/reference#761)
- add behavior change of relative paths without `self` in 2018 edition (rust-lang-nursery/reference#757)
- assignment operator expressions -> compound assignment expressions (rust-lang-nursery/reference#759)
## rust-by-example
3 commits in 32facd5522ddbbf37baf01e4e4b6562bc55c071a..db57f899ea2a56a544c8d280cbf033438666273d
2020-02-11 09:25:06 -0300 to 2020-02-18 17:46:46 -0300
- Minor typo fix in src/mod/visibility (rust-lang/rust-by-example#1309)
- Don't suggest Into implements a reverse conversion (rust-lang/rust-by-example#1307)
- Improve grammar in example of 'in let' section (rust-lang/rust-by-example#1308)
Follow up to https://github.com/rust-lang/rust/pull/69452 -- this tweaks the `check_binding_alt_eq_ty` logic wrt. wording so that `if let` doesn't include "in this arm" (because there can only ever be one arm).
Rollup merge of #69561 - JohnTitor:clean-up-unstable-book, r=Mark-Simulacrum
Clean up unstable book
- #58402's feature was renamed to `tidy_test_never_used_anywhere_else` and it is now used for tidy only
- `read_initializer` link is wrong and the doc should be auto-generated so removed
- Add dummy doc for `link_cfg`
- Stop generating `compiler_builtins_lib` doc in favor of b8ccc0f8a60ac16fdc00f4b2e36e1a5db8b78295
- Make `rustc_attrs` tracking issue "None"
bors [Sun, 8 Mar 2020 05:27:21 +0000 (05:27 +0000)]
Auto merge of #69804 - Centril:rollup-u86dc1g, r=Centril
Rollup of 8 pull requests
Successful merges:
- #69667 (Remove the `no_debug` feature)
- #69687 (resolve, inconsistent binding mode: tweak wording)
- #69708 (On mismatched delimiters, only point at empty blocks that are in the same line)
- #69765 (reduce test size for Miri)
- #69773 (fix various typos)
- #69787 (mir::Local is Copy we can pass it by value in these cases)
- #69794 (Add `Layout::dangling()` to return a well-aligned `NonNull<u8>`)
- #69797 (Correct version that relaxed orphan rules)
Rollup merge of #69797 - jongiddy:convert-version, r=Mark-Simulacrum
Correct version that relaxed orphan rules
Docs say
> Prior to Rust 1.40, if the destination type was not part of the current crate then you couldn't implement From directly
Version 1.41 of Rust introduced the change to the orphan rules - https://blog.rust-lang.org/2020/01/30/Rust-1.41.0.html#relaxed-restrictions-when-implementing-traits - so this should say
> Prior to Rust 1.41...
Rollup merge of #69708 - estebank:tiny, r=petrochenkov
On mismatched delimiters, only point at empty blocks that are in the same line
We point at empty blocks when we have mismatched braces to detect cases where editors auto insert `}` after writing `{`. Gate this to only the case where the entire span is in the same line so we never point at explicitly empty blocks.
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