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2021-03-07diagnostics: Differentiate between edition meanings of ::foo in resolve ↵Manish Goregaokar-8/+48
diagnostics for ::foo::Bar
2021-03-07diagnostics: Differentiate between edition meanings of ::foo in resolve ↵Manish Goregaokar-4/+62
diagnostics (for bare `::foo`)
2021-03-07Add help suggesting `matches` to `let_chains` lintEsteban Küber-0/+48
2021-03-07Account for `if (let pat = expr) {}`Esteban Küber-222/+129
Partially address #82827.
2021-03-07Update Source Code Pro and include italicsTrevor Spiteri-2/+3
2021-03-07Rollup merge of #82803 - jyn514:unversioned-files, r=GuillaumeGomezYuki Okushi-0/+19
rustdoc: Add an unstable option to print all unversioned files This allows sharing those files between different doc invocations without having to know their names ahead of time. Helps with https://github.com/rust-lang/docs.rs/issues/1302. r? ````@GuillaumeGomez```` cc ````@pietroalbini```` ````@Nemo157````
2021-03-07Rollup merge of #82793 - JohnTitor:move-ui-tests, r=petrochenkovYuki Okushi-45/+0
Move some tests to more suitable subdirs ## The results from classifui (The full results can be found here: https://gist.github.com/JohnTitor/c9e00840990b5e4a8fc562ec3571e427) - [lint-expr-stmt-attrs-for-early-lints.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/lint-expr-stmt-attrs-for-early-lints.rs) <sup>unknown</sup>: lint (1.566), feature-gates (-0.632), numbers-arithmetic (-0.955) - [try-block.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/try-block.rs) <sup>unknown</sup>: binding (1.385), try-block (-0.097), lint (-0.932) - [backtrace-debuginfo.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/backtrace-debuginfo.rs) <sup>unknown</sup>: macros (1.365), cfg (-0.279), drop (-0.291) - [issues/issue-3521.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issues/issue-3521.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/3521)</sup>: consts (1.298), enum (-0.872), in-band-lifetimes (-0.978) - [impl-bounds-checking.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/impl-bounds-checking.rs) <sup>unknown</sup>: traits (1.243), for (-0.999), shadowed (-0.999) - [issues/issue-17718.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issues/issue-17718.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/17718)</sup>: binding (1.236), consts (0.315), extern (-0.779) - [issue-6157.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issue-6157.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/6157)</sup>: regions (1.213), unboxed-closures (-0.285), traits (-0.510) - [issues/issue-44373.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issues/issue-44373.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/44373)</sup>: consts (1.187), nll (0.427), borrowck (-0.704) - [nullable-pointer-ffi-compat.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/nullable-pointer-ffi-compat.rs) <sup>unknown</sup>: regions (1.184), consts (0.650), traits (-0.571) - [issues/issue-52992.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issues/issue-52992.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/52992)</sup>: nll (1.132), associated-types (-0.628), parser (-0.893) - [issues/issue-2330.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issues/issue-2330.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/2330)</sup>: traits (1.116), directory_ownership (-0.691), compare-method (-0.981) - [issue-74047.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issue-74047.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/74047)</sup>: async-await (1.109), impl-trait (-0.629), resolve (-0.781) - [issues/issue-33140.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issues/issue-33140.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/33140)</sup>: traits (1.063), coherence (-0.832), codemap_tests (-0.944) - [issues/issue-28576.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issues/issue-28576.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/28576)</sup>: traits (1.062), associated-types (-0.333), impl-trait (-0.697) - [issues/issue-7222.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issues/issue-7222.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/7222)</sup>: binding (1.062), consts (-0.226), numbers-arithmetic (-0.294) - [tup.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/tup.rs) <sup>unknown</sup>: structs-enums (1.061), threads-sendsync (-0.550), moves (-0.790) - [issues/issue-15261.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issues/issue-15261.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/15261)</sup>: consts (1.052), where-clauses (-0.833), macros (-0.862) - [issues/issue-76179.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issues/issue-76179.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/76179)</sup>: associated-types (1.048), process (-0.887), rfc-2457 (-0.984) - [issues/issue-42344.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issues/issue-42344.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/42344)</sup>: borrowck (1.043), macros (-0.481), specialization (-0.966) - [issues/issue-18661.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issues/issue-18661.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/18661)</sup>: unboxed-closures (1.038), mir (-0.648), higher-rank-trait-bounds (-0.688) - [issues/issue-2633.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/issues/issue-2633.rs) <sup>[issue](https://github.com/rust-lang/rust/issues/2633)</sup>: structs-enums (1.020), functions-closures (-0.722), lint (-0.967) Some notes: - If there are related tests (e.g. it's for the same issue), they are moved along with it. - Moved try-block.rs to the `try-block` dir. - Moved tup.rs to the `tuple` dir. - Moved some tests that classified as consts to the `statics` dir, as it seems they have statics actually. - Skipped backtrace-debuginfo.rs because I think classifui overrates their helper macros. cc #73494 r? ```@petrochenkov```
2021-03-07Rollup merge of #82720 - henryboisdequin:fix-79040, r=oli-obkYuki Okushi-25/+28
Fix diagnostic suggests adding type `[type error]` Fixes #79040 ### Unresolved questions: <del>Why does this change output the diagnostic twice (`src/test/ui/79040.rs`)?</del> Thanks `````@oli-obk`````
2021-03-07Rollup merge of #82651 - jyn514:rustdoc-warnings, r=GuillaumeGomezYuki Okushi-10/+51
Cleanup rustdoc warnings ## Clean up error reporting for deprecated passes Using `error!` here goes all the way back to the original commit, https://github.com/rust-lang/rust/pull/8540. I don't see any reason to use logging; rustdoc should use diagnostics wherever possible. See https://github.com/rust-lang/rust/pull/81932#issuecomment-785291244 for further context. - Use spans for deprecated attributes - Use a proper diagnostic for unknown passes, instead of error logging - Add tests for unknown passes - Improve some wording in diagnostics ## Report that `doc(plugins)` doesn't work using diagnostics instead of `eprintln!` This also adds a test for the output. This was added in https://github.com/rust-lang/rust/pull/52194. I don't see any particular reason not to use diagnostics here, I think it was just missed in https://github.com/rust-lang/rust/pull/50541.
2021-03-06Implement built-in attribute macro `#[cfg_eval]`Vadim Petrochenkov-0/+196
2021-03-06Move some tests to more suitable subdirsYuki Okushi-45/+0
2021-03-06Handle negative literals in cast overflow warningYuki Okushi-1/+2
2021-03-06address commentsHenry Boisdequin-12/+9
2021-03-06Disable destination propagation on all mir-opt-levelsTomasz Miąsko-147/+255
2021-03-05Rollup merge of #82797 - henryboisdequin:name-issue-num, r=XanewokGuillaume Gomez-1/+1
Update tests names to start with `issue-` See ``@JohnTitor's`` [comment](https://github.com/rust-lang/rust/pull/82720#discussion_r586488083) ``@rustbot`` label +C-cleanup
2021-03-05Rollup merge of #82736 - spastorino:mir-opt-level-perf-changes, r=oli-obkGuillaume Gomez-72/+72
Bump optimization from mir_opt_level 2 to 3 and 3 to 4 and make "release" be level 2 by default r? `@oli-obk`
2021-03-05Rollup merge of #82714 - estebank:missing-braces, r=oli-obkGuillaume Gomez-0/+222
Detect match arm body without braces Fix #82524.
2021-03-05Rollup merge of #82708 - GuillaumeGomez:doc-test-attr-check, r=ManishearthGuillaume Gomez-16/+94
Warn on `#![doc(test(...))]` on items other than the crate root and use future incompatible lint Part of #82672. This PR does multiple things: * Create a new `INVALID_DOC_ATTRIBUTE` lint which is also "future incompatible", allowing us to use it as a warning for the moment until it turns (eventually) into a hard error. * Use this link when `#![doc(test(...))]` isn't used at the crate level. * Make #82702 use this new lint as well. r? ``@jyn514``
2021-03-05bless mir-inlining warning messageSantiago Pastorino-1/+1
2021-03-05Add an unstable option to print all unversioned filesJoshua Nelson-0/+19
This allows sharing those files between different doc invocations without having to know their names ahead of time.
2021-03-05Rename `rustdoc` to `rustdoc::all`Joshua Nelson-31/+55
When rustdoc lints were changed to be tool lints, the `rustdoc` group was removed, leading to spurious warnings like ``` warning: unknown lint: `rustdoc` ``` The lint group still worked when rustdoc ran, since rustdoc added the group itself. This renames the group to `rustdoc::all` for consistency with `clippy::all` and the rest of the rustdoc lints.
2021-03-05Bump mir-opt-level from 2 to 3 in testsSantiago Pastorino-41/+41
2021-03-05Bump mir-opt-level from 3 to 4 in testsSantiago Pastorino-30/+30
2021-03-05use pat<no_top_alt> for patterns in let bindingsmark-275/+457
2021-03-05Add regression test for #75525Dániel Buga-0/+27
2021-03-05Make invalid_doc_attribute lint pluralGuillaume Gomez-4/+4
2021-03-05Auto merge of #82795 - m-ou-se:rollup-uzx0b92, r=m-ou-sebors-24/+153
Rollup of 10 pull requests Successful merges: - #80723 (Implement NOOP_METHOD_CALL lint) - #80763 (resolve: Reduce scope of `pub_use_of_private_extern_crate` deprecation lint) - #81136 (Improved IO Bytes Size Hint) - #81939 (Add suggestion `.collect()` for iterators in iterators) - #82289 (Fix underflow in specialized ZipImpl::size_hint) - #82728 (Avoid unnecessary Vec construction in BufReader) - #82764 (Add {BTreeMap,HashMap}::try_insert) - #82770 (Add assert_matches macro.) - #82773 (Add diagnostic item to `Default` trait) - #82787 (Remove unused code from main.js) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
2021-03-05Update tests names to start with `issue-`Henry Boisdequin-1/+1
See @JohnTitor's [comment](https://github.com/rust-lang/rust/pull/82720#discussion_r586488083) @rustbot label +C-cleanup
2021-03-05Rollup merge of #81939 - kper:fixing-81584-allocate-in-iter, r=davidtwcoMara-0/+32
Add suggestion `.collect()` for iterators in iterators Closes #81584 ``` error[E0515]: cannot return value referencing function parameter `y` --> main3.rs:4:38 | 4 | ... .map(|y| y.iter().map(|x| x + 1)) | -^^^^^^^^^^^^^^^^^^^^^^ | | | returns a value referencing data owned by the current function | `y` is borrowed here | help: Maybe use `.collect()` to allocate the iterator ``` Added the suggestion: `help: Maybe use `.collect()` to allocate the iterator`
2021-03-05Rollup merge of #80763 - petrochenkov:pubusecrate, r=estebankMara-24/+27
resolve: Reduce scope of `pub_use_of_private_extern_crate` deprecation lint This lint was deny-by-default since July 2017, crater showed 7 uses on crates.io back then (https://github.com/rust-lang/rust/pull/42894#issuecomment-311921147). Unfortunately, the construction `pub use foo as bar` where `foo` is `extern crate foo;` was used by an older version `bitflags`, so turning it into an error causes too many regressions. So, this PR reduces the scope of the lint instead of turning it into a hard error, and only turns some more rarely used components of it into errors.
2021-03-05Rollup merge of #80723 - rylev:noop-lint-pass, r=estebankMara-0/+94
Implement NOOP_METHOD_CALL lint Implements the beginnings of https://github.com/rust-lang/lang-team/issues/67 - a lint for detecting noop method calls (e.g, calling `<&T as Clone>::clone()` when `T: !Clone`). This PR does not fully realize the vision and has a few limitations that need to be addressed either before merging or in subsequent PRs: * [ ] No UFCS support * [ ] The warning message is pretty plain * [ ] Doesn't work for `ToOwned` The implementation uses [`Instance::resolve`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/instance/struct.Instance.html#method.resolve) which is normally later in the compiler. It seems that there are some invariants that this function relies on that we try our best to respect. For instance, it expects substitutions to have happened, which haven't yet performed, but we check first for `needs_subst` to ensure we're dealing with a monomorphic type. Thank you to ```@davidtwco,``` ```@Aaron1011,``` and ```@wesleywiser``` for helping me at various points through out this PR ❤️.
2021-03-05Auto merge of #82777 - GuillaumeGomez:rollup-etcsupl, r=GuillaumeGomezbors-5/+58
Rollup of 5 pull requests Successful merges: - #76716 (Don't warn for `missing_doc_examples` when item is #[doc(hidden)]) - #82088 (Shorten html::render) - #82690 (Update rustdoc documentation) - #82752 (Add a regression test for issue-81712) - #82765 (Fix polymorphization ICE on associated types in trait decls using const generics in bounds) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
2021-03-05Auto merge of #71481 - estebank:inherit-stability, r=nikomatsakisbors-149/+212
Inherit `#[stable(..)]` annotations in enum variants and fields from its item Lint changes for #65515. The stdlib will have to be updated once this lands in beta and that version is promoted in master.
2021-03-05expand: Introduce enum for module loading errors and make module loading ↵Vadim Petrochenkov-4/+4
speculative
2021-03-05expand: Move module file path stack from global session to expansion dataVadim Petrochenkov-11/+13
Also don't push the paths on the stack directly in `fn parse_external_mod`, return them instead.
2021-03-05expand: Remove obsolete `DirectoryOwnership::UnownedViaMod`Vadim Petrochenkov-0/+15
This ownership kind is only constructed in the case of path attributes like `#[path = ".."]` without a file name segment, which always represent some kind of directories and will produce and error on attempt to parse them as a module file.
2021-03-04Rollup merge of #82752 - JohnTitor:gat-ice-test, r=jackh726Guillaume Gomez-0/+40
Add a regression test for issue-81712 Fixes #81712, also fixes #79768 as duplicate. r? `@jackh726`
2021-03-04Also use INVALID_DOC_ATTRIBUTE for "unknown doc attribute" warningsGuillaume Gomez-16/+20
2021-03-04Add tests for #[doc(test(...)] checkGuillaume Gomez-0/+74
2021-03-04Update missing code example testGuillaume Gomez-5/+18
2021-03-04Auto merge of #81451 - nikic:llvm-12, r=nagisabors-48/+53
Upgrade to LLVM 12 This implements the necessary adjustments to make rustc work with LLVM 12. I didn't encounter any major issues so far. r? `@cuviper`
2021-03-04Rollup merge of #82717 - estebank:issue-70152, r=lcnrYuki Okushi-0/+56
Account for macros when suggesting adding lifetime Fix #70152.
2021-03-04Rollup merge of #80527 - jyn514:rustdoc-lints, r=GuillaumeGomezYuki Okushi-99/+201
Make rustdoc lints a tool lint instead of built-in - Rename `broken_intra_doc_links` to `rustdoc::broken_intra_doc_links` (and similar for other rustdoc lints; I don't expect any others to be used frequently, though). - Ensure that the old lint names still work and give deprecation errors - Register lints even when running doctests - Move lint machinery into a separate file - Add `declare_rustdoc_lint!` macro Unblocks https://github.com/rust-lang/rust/pull/80300, https://github.com/rust-lang/rust/pull/79816, https://github.com/rust-lang/rust/pull/80965. Makes the strangeness in https://github.com/rust-lang/rust/pull/77364 more apparent to the end user (note that `missing_docs` is *not* moved to rustdoc in this PR). Closes https://github.com/rust-lang/rust/issues/78786. ## Current status This is blocked on #82620 (see https://github.com/rust-lang/rust/pull/80527#issuecomment-787401519)
2021-03-04Add a regression test for issue-81712Yuki Okushi-0/+40
2021-03-03Auto merge of #82702 - jyn514:downgrade-err, r=Manishearthbors-8/+38
Change error about unknown attributes to a warning Hard errors should go through a future-compatibility phase first, especially since these attributes only have no effect and don't actively cause bugs. Follow-up to https://github.com/rust-lang/rust/pull/82662. Fixes ecosystem breakage like https://github.com/rust-lang/rust-clippy/issues/6832. r? `@GuillaumeGomez`
2021-03-03Detect match arm body without bracesEsteban Küber-0/+222
Fix #82524.
2021-03-03reworded messageEsteban Küber-1/+3
2021-03-03Explicitly disable preinline during pgo-use testNikita Popov-5/+4
We previously used -Os to disable this pass, but since https://reviews.llvm.org/D91673 this no longer works. Explicitly disable it using -Cllvm-args instead.
2021-03-03Change error about unknown doc attributes to a warningJoshua Nelson-8/+38
This prevents breakage across the ecosystem, since the error was just introduced recently without first having a warning period.
2021-03-03Fix diagnostic suggests adding type `[type error]`Henry Boisdequin-20/+26
Fixes #79040 Unresolved questions: Why does this change output the diagnostic twice? Why does the CI fail when the errors are pointed out (UI tests)?
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