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2021-05-03Auto merge of #84864 - Mark-Simulacrum:stable-next, r=Mark-Simulacrum 1.52.0bors-940/+830
[stable] 1.52.0 release This includes the release notes (#84183) as well as cherry-picked commits from: * [beta] revert PR #77885 #84710 * [beta] remove assert_matches #84759 * Revert PR 81473 to resolve (on beta) issues 81626 and 81658. #83171 * [beta] rustdoc revert deref recur #84868 * Fix ICE of for-loop mut borrowck where no suggestions are available #83401 Additionally in "fresh work" we're also: * reverting: directly expose copy and copy_nonoverlapping intrinsics #81238 to avoid https://github.com/rust-lang/rust/issues/84297 on 1.52
2021-05-03remove copy intrinsic test - no longer constMark Rousskov-114/+0
2021-05-03Remove some more constsMark Rousskov-63/+50
2021-05-03Fix ICE of for-loop mut borrowck where no suggestions are availableDeadbeef-7/+54
2021-05-03drop some const unstables, due to revert no longer possibleMark Rousskov-8/+4
2021-05-03Revert "Fix clippy's path to the copy intrinsics."Mark Rousskov-2/+2
This reverts commit 1a806352e41fcba5eac91784476fc6dfa6ee05b7.
2021-05-03Revert "directly expose copy and copy_nonoverlapping intrinsics"Mark Rousskov-180/+234
This reverts commit 18d12ad171384a82736a88b879540bf464161063.
2021-05-03placate tidy.Felix S. Klock II-2/+0
2021-05-03regression test for issue 82465.Felix S. Klock II-0/+16
2021-05-03beta-targetted revert of PR #80653, to address issue #82465.Felix S. Klock II-184/+46
adapted from 513756bb55a0dbc6e74d0043afd1727bd3c73aae
2021-05-03Revert PR 81473 to resolve (on beta) issues 81626 and 81658.Felix S. Klock II-135/+0
Revert "Add missing brace" This reverts commit 85ad773049536d7fed9a94ae0ac74f97135c8655. Revert "Simplify base_expr" This reverts commit 899aae465eb4ef295dc1eeb2603f744568e0768c. Revert "Warn write-only fields" This reverts commit d3c69a4c0dd98af2611b7553d1a65afef6a6ccb0.
2021-05-03Remove assert_matches feature attributes.Mara Bos-3/+0
2021-05-03Remove assert_matches usersMark Rousskov-28/+5
2021-05-03Revert "Add debug_assert_matches macro."Mark Rousskov-38/+2
This reverts commit 0a8e401188062f0c60c989978352663b1e25e70e.
2021-05-03Revert "Add assert_matches!(expr, pat)."Mark Rousskov-103/+25
This reverts commit eb18746bc6c6c5c710ad674873438cbad5894f06.
2021-05-03Remove tests introduced or cahnged by PR #77885, which is reverted in this PR.Felix S. Klock II-44/+0
2021-05-03Effective beta backport of 8d1083e319841624f64400e1524805a40d725439Felix S. Klock II-31/+62
(I recreated it by hand because the result of the cherry-pick wasn't worth trying to salvage.)
2021-05-03Cherry-pick release notesMark Rousskov-11/+343
2021-05-03bump channel to stableMark Rousskov-1/+1
2021-04-30Auto merge of #84722 - pnkfelix:address-c-unwind-via-backport-of-84158, ↵bors-1/+5
r=Mark-Simulacrum backport: move new c abi abort behavior behind feature gate This is a backport of PR #84158 to the beta branch. The original T-compiler plan was to revert PR #76570 in its entirety, as was attempted in PR #84672. But the revert did not go smoothly (details below). Therefore, we are backporting PR #84158 instead, which was our established backup plan if a revert did not go smoothly. I have manually confirmed that this backport fixes the luajit issue described on issue #83541 <details> <summary>Click for details as to why revert of PR #76570 did not go smoothly.</summary> It turns out that Miri had been subsequently updated to reflect changes to `rustc_target` that landed in PR #76570. This meant that the attempt to land PR #84672 broke Miri builds. Normally we allow tools to break when landing PR's (and just expect follow-up PR's to fix the tools), but we don't allow it for tools in the run-up to a release. (We shouldn't be using that uniform policy for all tools. Miri should be allow to break during the week before a release; but currently we cannot express that, due to issue #74709.) Therefore, its a lot of pain to try to revert PR #76570. And we're going with the backup plan. </details> Original commit message follows: ---- *Background* In #76570, new ABI strings including `C-unwind` were introduced. Their behavior is specified in RFC 2945 <sup>[1]</sup>. However, it was reported in the #ffi-unwind stream of the Rust community Zulip that this had altered the way that `extern "C"` functions behaved even when the `c_unwind` feature gate was not active. <sup>[2]</sup> *Overview* This makes a small patch to `rustc_mir_build::build::should_abort_on_panic`, so that the same behavior from before is in place when the `c_unwind` gate is not active. `rustc_middle::ty::layout::fn_can_unwind` is not touched, as the visible behavior should not differ before/after #76570. <sup>[3]</sup> ### Footnotes 1.: https://github.com/rust-lang/rfcs/blob/master/text/2945-c-unwind-abi.md 2.: https://rust-lang.zulipchat.com/#narrow/stream/210922-project-ffi-unwind/topic/Is.20unwinding.20through.20extern.20C.20UB.3F/near/230112325 3.: https://github.com/rust-lang/rust/pull/76570/files#diff-b0320c2b8868f325d83c027fc5d71732636e9763551e35895488f30fe057c6e9L2599-R2617 [1]: https://github.com/rust-lang/rfcs/blob/master/text/2945-c-unwind-abi.md [2]: https://rust-lang.zulipchat.com/#narrow/stream/210922-project-ffi-unwind/topic/Is.20unwinding.20through.20extern.20C.20UB.3F/near/230112325 [3]: https://github.com/rust-lang/rust/pull/76570/files#diff-b0320c2b8868f325d83c027fc5d71732636e9763551e35895488f30fe057c6e9L2599-R2617
2021-04-29move new c abi abort behavior behind feature gatekatelyn a. martin-1/+5
### Background In #76570, new ABI strings including `C-unwind` were introduced. Their behavior is specified in RFC 2945 [1]. However, it was reported in the #ffi-unwind stream of the Rust community Zulip that this had altered the way that `extern "C"` functions behaved even when the `c_unwind` feature gate was not active. [2] ### Overview This makes a small patch to `rustc_mir_build::build::should_abort_on_panic`, so that the same behavior from before is in place when the `c_unwind` gate is not active. `rustc_middle::ty::layout::fn_can_unwind` is not touched, as the visible behavior should not differ before/after #76570. [3] ### Footnotes [1]: https://github.com/rust-lang/rfcs/blob/master/text/2945-c-unwind-abi.md [2]: https://rust-lang.zulipchat.com/#narrow/stream/210922-project-ffi-unwind/topic/Is.20unwinding.20through.20extern.20C.20UB.3F/near/230112325 [3]: https://github.com/rust-lang/rust/pull/76570/files#diff-b0320c2b8868f325d83c027fc5d71732636e9763551e35895488f30fe057c6e9L2599-R2617
2021-04-27Auto merge of #84603 - cuviper:beta-next, r=Mark-Simulacrumbors-31/+112
[beta] backports This backports two beta-accepted PRs, fixing CVE-2020-36323 and CVE-2021-31162. - Fixes API soundness issue in `join()` #81728 - Fix double-drop in `Vec::from_iter(vec.into_iter())` specialization when items drop during panic #83629
2021-04-26fix double-drop in in-place collect specializationThe8472-11/+20
(cherry picked from commit 421f5d282a51e130d3ca7c4524d8ad6753437da9)
2021-04-26add testcase for double-drop during Vec in-place collectionThe8472-1/+37
(cherry picked from commit fa89c0fbcfa8f4d44f153b1195ec5a305540ffc4)
2021-04-26Update the commentYechan Bae-4/+4
(cherry picked from commit 26a62701e42d10c03ce5f2f911e7d5edeefa2f0f)
2021-04-26Fixes #80335Yechan Bae-18/+54
(cherry picked from commit 6d43225bfb08ec91f7476b76c7fec632c4a096ef)
2021-04-24Auto merge of #84271 - nagisa:nagisa/beta-bump-llvm, r=cuviperbors-0/+0
[beta] Bump LLVM to a upstream 12.0 release Currently the `beta` branch utilizes a release candidate of LLVM 12.0. Since then a large number of issues have been fixed upstream, including those that are known to affect Rust code. It would be unfortunate if we released a stable Rust with all of those issues when we have the fixes in the actual LLVM release and/or our backports of commits that didn't make the release cut on top of it. cc `@cuviper` / `@nikic`
2021-04-21Auto merge of #84382 - ehuss:update-beta-cargo, r=ehussbors-2/+6
[beta] Beta rollups - Upgrade expat dependency in riscv64 to newer version. #84394 - Fix Self keyword doc URL conflict on case insensitive file systems (until definitely fixed on rustdoc) #83678 - Cargo: - Backport "Don't give a hard error when the end-user specifies RUSTC_BOOTSTRAP=crate_name" (rust-lang/cargo#9385) - [beta] Revert rust-lang/cargo#9133, moving to git HEAD dependencies by default (rust-lang/cargo#9383)
2021-04-21Rollup merge of #83678 - GuillaumeGomez:hack-Self-keyword-conflict, r=jyn514Dylan DPC-1/+5
Fix Self keyword doc URL conflict on case insensitive file systems (until definitely fixed on rustdoc) This is just a hack to allow rustup to work on macOS and windows again to distribute std documentation (hopefully once https://github.com/rust-lang/rfcs/pull/3097 or an equivalent is merged). Fixes https://github.com/rust-lang/rust/issues/80504. Prevents https://github.com/rust-lang/rust/issues/83154 and https://github.com/rust-lang/rustup/issues/2694 in future releases. cc ``@kinnison`` r? ``@jyn514``
2021-04-21Auto merge of #84394 - m-ou-se:upgrade-ci-dep-expat, r=Mark-Simulacrumbors-1/+1
Upgrade `expat` dependency in riscv64 to newer version. The old version was renamed to `expat-2.2.6-RENAMED-VULNERABLE-PLEASE-USE-2.3.0-INSTEAD`. :) r? `@Mark-Simulacrum`
2021-04-20[beta] Update cargoEric Huss-0/+0
2021-04-17[beta] Bump LLVM to a upstream release of 12.0Simonas Kazlauskas-0/+0
2021-04-06Auto merge of #83946 - ehuss:update-beta-cargo, r=ehussbors-0/+0
[beta] Update cargo 2 commits in 90691f2bfe9a50291a98983b1ed2feab51d5ca55..d70308ef052397c7d16f881c2d973a8c5b4c23d9 2021-03-16 21:36:55 +0000 to 2021-04-06 17:32:27 +0000 - beta: revert rust-lang/cargo#8640 - rustdoc versioning checks (rust-lang/cargo#9332) - [beta] Fix publication of packages with metadata and resolver (rust-lang/cargo#9304)
2021-04-06[beta] Update cargoEric Huss-0/+0
2021-03-26Auto merge of #83516 - Mark-Simulacrum:beta-next, r=Mark-Simulacrumbors-3/+3
[beta] backports Initial round of beta backports, with 1 PR: * SplitInclusive is public API #83372 This also includes a bump to the released stable compiler. r? `@Mark-Simulacrum`
2021-03-26SplitInclusive is public APIAlan Egerton-1/+1
2021-03-26Bump beta branch to released stableMark Rousskov-2/+2
2021-03-24Auto merge of #83441 - Mark-Simulacrum:beta-next, r=Mark-Simulacrumbors-35/+33
[beta] 1.52.0 branch off r? `@Mark-Simulacrum`
2021-03-24Fix bootstrap tests on betaMark Rousskov-0/+3
2021-03-24Update fulldeps testMark Rousskov-29/+18
2021-03-24Ignore failures of RLS on aarch64 WindowsMark Rousskov-1/+7
2021-03-24[beta] initial branch offMark Rousskov-5/+5
2021-03-20Auto merge of #83314 - Aaron1011:print-unstable-value, r=lcnrbors-1/+1
Debug-print result when an unstable fingerprint is detected Helps with issues like #83311 I had previously tried to do this in https://github.com/rust-lang/rust/pull/80692, but it had a significant performance impact (even though the code was never actually run). Hopefully, this will be better now that https://github.com/rust-lang/rust/pull/79100 has been merged.
2021-03-20Auto merge of #83271 - SparrowLii:simd_neg, r=Amanieubors-17/+60
Add simd_neg platform intrinsic Stdarch needs to add simd_neg to support the implementation of vneg neon instructions. Look [here](https://github.com/rust-lang/stdarch/pull/1087)
2021-03-20Auto merge of #82919 - bstrie:stabchar, r=dtolnaybors-8/+7
Stabilize `assoc_char_funcs` and `assoc_char_consts` Stabilizes the following associated items on `char`: * [`char::MAX`](https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.MAX) * [`char::REPLACEMENT_CHARACTER`](https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.REPLACEMENT_CHARACTER) * [`char::UNICODE_VERSION`](https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.UNICODE_VERSION) * [`char::decode_utf16`](https://doc.rust-lang.org/std/primitive.char.html#method.decode_utf16) * [`char::from_u32`](https://doc.rust-lang.org/std/primitive.char.html#method.from_u32) * [`char::from_u32_unchecked`](https://doc.rust-lang.org/std/primitive.char.html#method.from_u32_unchecked) * [`char::from_digit`](https://doc.rust-lang.org/std/primitive.char.html#method.from_digit) Closes #71763.
2021-03-20Auto merge of #83293 - osa1:82436_perf, r=varkorbors-3/+3
Revert performance-sensitive change in #82436 This change was done in #82436, as an "optimization". Unfortunately I missed that this code is not always executed, because of the "continue" in the conditional above it. This commit should solve the perf regressions introduced by #82436 as I think there isn't anything else that could affect runtime performance in that PR. The `Pick` type grows only one word, which I doubt can cause up to 8.8% increase in RSS in some of the benchmarks. --- Could someone with the rights start a perf job please?
2021-03-19Stabilize `assoc_char_funcs` and `assoc_char_consts`bstrie-8/+7
2021-03-19Debug-print result when an unstable fingerprint is detectedAaron Hill-1/+1
2021-03-19Auto merge of #83308 - Dylan-DPC:rollup-p2j6sy8, r=Dylan-DPCbors-49/+210
Rollup of 8 pull requests Successful merges: - #79986 (Only build help popup when it's really needed) - #82570 (Add `as_str` method for split whitespace str iterators) - #83244 (Fix overflowing length in Vec<ZST> to VecDeque) - #83254 (Include output stream in `panic!()` documentation) - #83269 (Revert the second deprecation of collections::Bound) - #83277 (Mark early otherwise optimization unsound) - #83285 (Update LLVM to bring in SIMD updates for WebAssembly) - #83297 (Do not ICE on ty::Error as an error must already have been reported) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
2021-03-19Rollup merge of #83297 - oli-obk:why_bug_today_if_you_can_delay_to_tomorrow, ↵Dylan DPC-5/+76
r=petrochenkov Do not ICE on ty::Error as an error must already have been reported fixes #83253
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