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2020-07-23Rollup merge of #74587 - lzutao:consts, r=dtolnayManish Goregaokar-27/+26
Prefer constant over function Just that I prefer constants over functions that can be made const.
2020-07-23Rollup merge of #74548 - tshepang:one-more-example, r=dtolnayManish Goregaokar-0/+3
one more Path::with_extension example, to demonstrate behavior
2020-07-23Rollup merge of #74490 - yaahc:disabled-bt, r=dtolnayManish Goregaokar-0/+6
add a Backtrace::disabled function Based upon @dtolnay's suggestion here: https://github.com/dtolnay/anyhow/pull/97#issuecomment-647172942
2020-07-23Rollup merge of #74141 - euclio:typos, r=steveklabnikManish Goregaokar-34/+34
libstd/libcore: fix various typos
2020-07-23Prefer constant over functionLzu Tao-28/+27
2020-07-23Auto merge of #74662 - Manishearth:rollup-jdt7t71, r=Manishearthbors-555/+1574
Rollup of 9 pull requests Successful merges: - #73783 (Detect when `'static` obligation might come from an `impl`) - #73868 (Advertise correct stable version for const control flow) - #74460 (rustdoc: Always warn when linking from public to private items) - #74538 (Guard against non-monomorphized type_id intrinsic call) - #74541 (Add the aarch64-apple-darwin target ) - #74600 (Enable perf try builder) - #74618 (Do not ICE on assoc type with bad placeholder) - #74631 (rustc_target: Add a target spec option for disabling `--eh-frame-hdr`) - #74643 (build: Remove unnecessary `cargo:rerun-if-env-changed` annotations) Failed merges: r? @ghost
2020-07-22Update src/libstd/backtrace.rsJane Lusby-1/+1
Co-authored-by: David Tolnay <dtolnay@gmail.com>
2020-07-22one more Path::with_extension example, to demonstrate behaviorTshepang Lekhonkhobe-0/+3
2020-07-22Rollup merge of #74643 - petrochenkov:noenvrerun, r=Mark-SimulacrumManish Goregaokar-81/+26
build: Remove unnecessary `cargo:rerun-if-env-changed` annotations ... and a couple of related cleanups. rustc and cargo now track the majority of env var dependencies automatically (https://github.com/rust-lang/cargo/pull/8421), so the annotations are no longer necessary.
2020-07-22Rollup merge of #74631 - petrochenkov:ehdr2, r=jonas-schievinkManish Goregaokar-8/+24
rustc_target: Add a target spec option for disabling `--eh-frame-hdr` Disable `--eh-frame-hdr` for targets that use an `ld`-like linker, but don't support that option. Do it through a target spec option rather than through hard-coding in `linker.rs`. The option is still enabled by default though. cc https://github.com/rust-lang/rust/pull/73564 Fixes https://github.com/rust-lang/rust/pull/73564#issuecomment-657011004 Fixes https://github.com/rust-lang/rust/pull/74625 Fixes https://github.com/rust-embedded/msp430-rt/issues/12
2020-07-22Rollup merge of #74618 - JohnTitor:no-more-bad-placeholder, r=estebankManish Goregaokar-7/+21
Do not ICE on assoc type with bad placeholder Fixes #74612 r? @estebank
2020-07-22Rollup merge of #74600 - Mark-Simulacrum:try-perf, r=pietroalbiniManish Goregaokar-3/+4
Enable perf try builder This adds a dedicated branch for perf to use for CI, intended to allow perf to enqueue builds without needing to use bors. bors is great, but bors requires an open PR to work, and we want to invoke perf on closed PRs sometimes (in particular, rollups).
2020-07-22Rollup merge of #74541 - shepmaster:aarch64-apple-darwin-target, r=nagisaManish Goregaokar-3/+37
Add the aarch64-apple-darwin target This is a basic copy-paste-modify from the existing x86_64-apple-darwin target.
2020-07-22Rollup merge of #74538 - nbdd0121:issue-73976, r=lcnrManish Goregaokar-2/+112
Guard against non-monomorphized type_id intrinsic call This PR checks whether the type is sufficient monomorphized when calling type_id or type_name intrinsics. If the type is not sufficiently monomorphized, e.g. used in a pattern, the code will be rejected. Fixes #73976
2020-07-22Rollup merge of #74460 - dennis-hamester:rustdoc-warn-pub-to-priv, r=jyn514Manish Goregaokar-10/+47
rustdoc: Always warn when linking from public to private items Change the logic such that linking from a public to a private item always triggers `intra_doc_link_resolution_failure`. Previously, the warning was not emitted when `--document-private-items` is passed. This came up during the discussion in https://github.com/rust-lang/rust/pull/74147#discussion_r452597901.
2020-07-22Rollup merge of #73868 - ecstatic-morse:fix-stable-version, r=jonas-schievinkManish Goregaokar-2/+2
Advertise correct stable version for const control flow #72437 was opened before the 1.45 release but merged afterwards. These will be stable in 1.46.
2020-07-22Rollup merge of #73783 - estebank:impl-dyn-trait-static-lifetime, r=nikomatsakisManish Goregaokar-439/+1301
Detect when `'static` obligation might come from an `impl` Partly address #71341.
2020-07-22Auto merge of #74404 - lcnr:ty-dep-path-cleanup-aaaaa, r=eddybbors-50/+56
remove some const arg in ty dep path boilerplate followup to #74113, together with #74376, this closes #74360. r? @eddyb
2020-07-22Change error code numberEsteban Küber-23/+22
2020-07-22rustdoc: Add explanation when linting against public to private item linksDennis Hamester-0/+11
The additional note helps explaining why the lint was triggered and that --document-private-items directly influences the link resolution.
2020-07-22rustdoc: Always warn when linking from public to private itemsDennis Hamester-10/+36
Change the logic such that linking from a public to a private item always triggers intra_doc_link_resolution_failure. Previously, the warning was not emitted when --document-private-items is passed. Also don't rely anymore on the item's visibility, which would falsely trigger the lint now that the check for --document-private-items is gone.
2020-07-22Auto merge of #74633 - davidtwco:issue-74614-disable-polymorphisation, ↵bors-37/+66
r=wesleywiser Disable polymorphisation Fixes #74614. This PR disables polymorphisation to fix the regression in #74614 after investigation into the issue makes it clear that the fix won't be trivial. ~~I'll file an issue shortly to replace #74614 with the findings so far.~~ #74636 has been filed to track the fix of the underlying regression. r? @eddyb
2020-07-22Handle fully-qualified paths and add test casesEsteban Küber-98/+404
2020-07-22Partially account for case where used method is from traitEsteban Küber-5/+21
2020-07-22Use `ty::Instance::resolve` to identify `'static` bound sourceEsteban Küber-182/+196
2020-07-22Further tweak wording of E0759 and introduce E0767Esteban Küber-167/+280
2020-07-22Add more context to diagnosticEsteban Küber-18/+96
2020-07-22Increase accuracy of lifetime bound on trait object impl suggestionEsteban Küber-114/+321
2020-07-22Detect when `'static` obligation might come from an `impl`Esteban Küber-302/+431
Address #71341.
2020-07-22build: Avoid unnecessary build script reruns in libstdVadim Petrochenkov-0/+3
Add a FIXME to build scripts in profiler_builtins
2020-07-22build: Harden env var tracking in build scriptsVadim Petrochenkov-18/+22
2020-07-22Rollup merge of #74635 - GuillaumeGomez:fix-tooltip-pos, r=ManishearthManish Goregaokar-0/+10
Fix tooltip position if the documentation starts with a code block Fixes #74321. Before: ![before](https://user-images.githubusercontent.com/3050060/88188970-cf842400-cc38-11ea-839b-37e41656837d.png) After: ![after](https://user-images.githubusercontent.com/3050060/88188981-d3b04180-cc38-11ea-8194-713ffe640d3a.png) And in case there is text, it is not being applied: ![after-witness](https://user-images.githubusercontent.com/3050060/88189009-ddd24000-cc38-11ea-9f0a-61dfd0a0cbd0.png) And on mobile it isn't needed so it's not "activated": ![Screenshot from 2020-07-22 17-17-43](https://user-images.githubusercontent.com/3050060/88194698-65bb4880-cc3f-11ea-8513-0043ccca8cfc.png) r? @rust-lang/rustdoc
2020-07-22Rollup merge of #74589 - ehuss:update-books, r=ehussManish Goregaokar-0/+0
Update books ## reference 5 commits in 0ea7bc494f1289234d8800bb9185021e0ad946f0..b329ce37424874ad4db94f829a55807c6e21d2cb 2020-07-02 15:33:04 -0700 to 2020-07-20 08:54:08 -0700 - this '*' is unnecessary, and reduces readability (rust-lang-nursery/reference#853) - Tiny typo fix (rust-lang-nursery/reference#849) - Update const eval chapter to latest changes (rust-lang-nursery/reference#842) - Document #[track_caller]. (rust-lang-nursery/reference#742) - Document shebang restriction. (rust-lang-nursery/reference#823) ## book 2 commits in 84a31397b34f9d405df44f2899ff17a4828dba18..a914f2c7e5cdb771fa465de142381a51c53b580e 2020-07-04 10:50:18 -0500 to 2020-07-21 09:20:05 -0500 - Change misleading wording (rust-lang/book#2399) - Improve wording to include Windows versions (rust-lang/book#2395) ## edition-guide 3 commits in 82bec5877c77cfad530ca11095db4456d757f668..bd6e4a9f59c5c1545f572266af77f5c7a5bad6d1 2020-06-03 08:56:02 -0500 to 2020-07-12 17:37:08 -0500 - update guide for 1.36 and 1.37 (rust-lang/edition-guide#217) - Add contents for Rust 1.35 (rust-lang/edition-guide#216) - update edition guide for Rust 1.34 (rust-lang/edition-guide#215)
2020-07-22Rollup merge of #74568 - aticu:master, r=Mark-SimulacrumManish Goregaokar-7/+12
Apply #66379 to `*mut T` `as_ref` #66379 changed the documentation of `as_ref` on the type `*const T` and `as_mut` on the type `*mut T`, but it missed making that same change for `as_ref` on the type `*mut T`.
2020-07-22Rollup merge of #74528 - euclio:intra-link-errors, r=jyn514Manish Goregaokar-298/+290
refactor and reword intra-doc link errors This commit refactors intra-doc link error reporting to deduplicate code and decouple error construction from the type of error. This greatly improves flexibility at each error construction site, while reducing the complexity of the diagnostic creation. This commit also rewords the diagnostics for clarity and style: - Diagnostics should not end in periods. - It's unnecessary to say "ignoring it". Since this is a warning by default, it's already clear that the link is ignored.
2020-07-22Rollup merge of #74454 - lcnr:negative-impls, r=nikomatsakisManish Goregaokar-52/+47
small coherence cleanup r? @eddyb
2020-07-22Rollup merge of #74237 - lzutao:compiletest, r=Mark-SimulacrumManish Goregaokar-253/+208
compiletest: Rewrite extract_*_version functions This makes extract_lldb_version has the same version type like extract_gdb_version.
2020-07-22Rollup merge of #73893 - ajpaverd:cfguard-stabilize, r=nikomatsakisManish Goregaokar-12/+24
Stabilize control-flow-guard codegen option This is the stabilization PR discussed in #68793. It converts the `-Z control-flow-guard` debugging option into a codegen option (`-C control-flow-guard`), and changes the associated tests.
2020-07-22Rollup merge of #73655 - JamieCunliffe:jamie_va-args-c, r=nikicManish Goregaokar-3/+150
va_args implementation for AAPCS. Implement the va args in codegen for AAPCS, this will be used as the default va_args implementation for AArch64 rather than the va_args llvm-ir as it currently is. This should fix the following issues: https://github.com/rust-lang/rust/issues/56475 https://github.com/rust-lang/rust/issues/72579
2020-07-22build: Remove unnecessary `build = "build.rs"` annotationsVadim Petrochenkov-6/+0
2020-07-22build: Remove unnecessary `cargo:rerun-if-env-changed` annotationsVadim Petrochenkov-58/+2
2020-07-22Fix tooltip position if the documentation starts with a code blockGuillaume Gomez-0/+10
2020-07-22tests: add regression test for #74614David Wood-0/+17
This commit adds a regression test for #74614 so that it is fixed before polymorphisation is re-enabled. Signed-off-by: David Wood <david@davidtw.co>
2020-07-22sess: disable polymorphisationDavid Wood-35/+46
This commit disables polymorphisation to resolve regressions related to closures which inherit unused generic parameters and are then used in casts or reflection. Signed-off-by: David Wood <david@davidtw.co>
2020-07-22mir: improve polymorphic constant bugDavid Wood-2/+3
This commit changes the span and content of the "collection encountered polymorphic constant" bug in monomorphization collection to point to the use of the constant rather than the definition. Signed-off-by: David Wood <david@davidtw.co>
2020-07-22rustc_target: Add a target spec option for disabling `--eh-frame-hdr`Vadim Petrochenkov-8/+24
2020-07-22Auto merge of #74620 - rust-lang:remove-most-azure, r=Mark-Simulacrumbors-298/+3
Disable Azure Pipelines except for macOS Following up on https://github.com/rust-lang/rust/pull/74565, this PR disables most of Azure Pipelines except for macOS auto builds, practically switching us to GitHub Actions :tada: r? @Mark-Simulacrum
2020-07-22Enable perf try builderMark Rousskov-3/+4
This adds a dedicated branch for perf to use for CI, intended to allow perf to enqueue builds without needing to use bors. bors is great, but bors requires an open PR to work, and we want to invoke perf on closed PRs sometimes (in particular, rollups).
2020-07-22ci: disable Azure Pipelines except for macOSPietro Albini-298/+3
2020-07-22Auto merge of #73270 - dylanmckay:avr-use-correct-addrspace, r=nagisabors-36/+188
[AVR] Correctly set the pointer address space when constructing pointers to functions NOTE: Pull request iterations: * https://github.com/dylanmckay/rust/releases/tag/avr-use-correct-addrspace.0 * https://github.com/dylanmckay/rust/releases/tag/avr-use-correct-addrspace.1 * https://github.com/dylanmckay/rust/releases/tag/avr-use-correct-addrspace.2 This patch extends the existing `type_i8p` method so that it requires an explicit address space to be specified. Before this patch, the `type_i8p` method implcitily assumed the default address space, which is not a safe transformation on all targets, namely AVR. The Rust compiler already has support for tracking the "instruction address space" on a per-target basis. This patch extends the code generation routines so that an address space must always be specified. In my estimation, around 15% of the callers of `type_i8p` produced invalid code on AVR due to the loss of address space prior to LLVM final code generation. This would lead to unavoidable assertion errors relating to invalid bitcasts. With this patch, the address space is always either 1) explicitly preserved from the input type, or 2) explicitly set to the instruction address space because the logic is dealing with functions which must be placed there, or 3) explicitly set to the default address space 0 because the logic can only operate on data space pointers and thus we keep the existing semantics of assuming the default, "data" address space.
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