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2025-03-14also skip abi_required_features check in rustdocRalf Jung-5/+10
(cherry picked from commit 4c939db0e775df21a0b409b7603eaaf0056e8f86)
2025-03-14also fix potential issues with mixed stable/unstable target features in rustdocRalf Jung-8/+32
(cherry picked from commit 039af88e09f4f4beb47406f4771bffc2e61d800a)
2025-03-14rustdoc: disable forbidden #[target_feature] checkRalf Jung-2/+5
(cherry picked from commit b6f22400002f7921feed13e35852e3041cf2b145)
2025-02-06Revert "Auto merge of #134330 - scottmcm:no-more-rvalue-len, r=matthewjasper"Rémy Rakic-1/+28
This reverts commit e108481f74ff123ad98a63bd107a18d13035b275, reversing changes made to 303e8bd768526a5812bb1776e798e829ddb7d3ca. (cherry picked from commit ca1c17c88d1f625763859396ba7a50f36ac45cc0)
2025-01-23When LLVM's location discriminator value limit is exceeded, emit locations ↵Kyle Huey-4/+2
with dummy spans instead of dropping them entirely Revert most of #133194 (except the test and the comment fixes). Then refix not emitting locations at all when the correct location discriminator value exceeds LLVM's capacity. (cherry picked from commit 45ef92731b637a60cbad7cecf5382361bbf40531)
2025-01-07Pass objcopy args for stripping on OSXNoratrieb-18/+7
When `-Cstrip` was changed to use the bundled rust-objcopy instead of /usr/bin/strip on OSX, strip-like arguments were preserved. But strip and objcopy are, while being the same binary, different, they have different defaults depending on which binary they are. Notably, strip strips everything by default, and objcopy doesn't strip anything by default. Additionally, `-S` actually means `--strip-all`, so debuginfo stripped everything and symbols didn't strip anything. We now correctly pass `--strip-debug` and `--strip-all`.
2025-01-01upstream rustc_codegen_llvm changes for enzyme/autodiffManuel Drehwald-0/+30
2024-12-30Auto merge of #134757 - RalfJung:const_swap, r=scottmcmbors-2/+2
stabilize const_swap libs-api FCP passed in https://github.com/rust-lang/rust/issues/83163. However, I only just realized that this actually involves an intrinsic. The intrinsic could be implemented entirely with existing stable const functionality, but we choose to make it a primitive to be able to detect more UB. So nominating for `@rust-lang/lang` to make sure they are aware; I leave it up to them whether they want to FCP this. While at it I also renamed the intrinsic to make the "nonoverlapping" constraint more clear. Fixes #83163
2024-12-30Auto merge of #134866 - osiewicz:write-rlib-bufwriter, r=bjorn3bors-2/+5
rustc_codegen_ssa: Buffer file writes in link_rlib This makes this step take ~25ms on my machine (M3 Max 64GB) for Zed repo instead of ~150ms (on editor crate). Additionally it takes down the time needed for a clean cargo build of ripgrep from ~6.1s to 5.9s. This change is mostly relevant for dev builds of crates with multiple large CGUs. I imagine it could be quite relevant for dev scenarios on Windows, but sadly I have no way to measure that myself.
2024-12-29review fixes: Adjust whitespacePiotr Osiewicz-0/+3
2024-12-29Bump compiler ccclubby789-1/+1
2024-12-29rustc_codegen_ssa: Buffer file writes in link_rlibPiotr Osiewicz-5/+5
This makes this step take ~25ms on my machine (M3 Max 64GB) for Zed repo instead of ~150ms. Additionally it takes down the time needed for a clean cargo build of ripgrep from ~6.1s to 5.9s. This change is mostly relevant for crates with multiple large CGUs.
2024-12-25rename typed_swap → typed_swap_nonoverlappingRalf Jung-2/+2
2024-12-24Auto merge of #134625 - compiler-errors:unsafe-binders-ty, r=oli-obkbors-0/+1
Begin to implement type system layer of unsafe binders Mostly TODOs, but there's a lot of match arms that are basically just noops so I wanted to split these out before I put up the MIR lowering/projection part of this logic. r? oli-obk Tracking: - https://github.com/rust-lang/rust/issues/130516
2024-12-22Begin to implement type system layer of unsafe bindersMichael Goulet-0/+1
2024-12-22Delete `Rvalue::Len`Scott McMurray-28/+1
Everything's moved to `PtrMetadata` instead.
2024-12-21Auto merge of #134505 - jieyouxu:boop-compiler-cc, r=clubby789,jieyouxubors-2/+3
Bump compiler `cc` to 1.2.5 - `cc` 1.2.4 contains a fix to address [rustc uses wrong build tools when compiling from MSVC #133794](https://github.com/rust-lang/rust/issues/133794). See <https://github.com/rust-lang/cc-rs/releases/tag/cc-v1.2.4>. - `cc` 1.2.5 contains a fix to also check linking when testing if certain compiler flags are supported, which fixed an issue that was causing previous compiler `cc` bumps to fail. See <https://github.com/rust-lang/cc-rs/releases/tag/cc-v1.2.5>. Supersedes #134419. Fixes #133794. r? `@clubby789`
2024-12-20Rollup merge of #134561 - bjorn3:less_fatal_error_raise, r=compiler-errorsMatthias Krüger-6/+6
Reduce the amount of explicit FatalError.raise() Instead use dcx.abort_if_error() or guar.raise_fatal() instead. These guarantee that an error actually happened previously and thus we don't silently abort.
2024-12-20Reduce the amount of explicit FatalError.raise()bjorn3-6/+6
Instead use dcx.abort_if_error() or guar.raise_fatal() instead. These guarantee that an error actually happened previously and thus we don't silently abort.
2024-12-20Review commentsbjorn3-3/+2
2024-12-19Make DependencyList an IndexVecbjorn3-11/+6
2024-12-19Bump compiler `cc` to 1.2.5许杰友 Jieyou Xu (Joe)-2/+3
- `cc` 1.2.4 contains a fix to address [rustc uses wrong build tools when compiling from MSVC #133794](https://github.com/rust-lang/rust/issues/133794). See <https://github.com/rust-lang/cc-rs/releases/tag/cc-v1.2.4>. - `cc` 1.2.5 contains a fix to also check linking when testing if certain compiler flags are supported, which fixed an issue that was causing previous compiler `cc` bumps to fail. See <https://github.com/rust-lang/cc-rs/releases/tag/cc-v1.2.5>. Co-authored-by: David Lönnhager <david.l@mullvad.net>
2024-12-19Rollup merge of #133702 - RalfJung:single-variant, r=oli-obk许杰友 Jieyou Xu (Joe)-5/+6
Variants::Single: do not use invalid VariantIdx for uninhabited enums ~~Stacked on top of https://github.com/rust-lang/rust/pull/133681, only the last commit is new.~~ Currently, `Variants::Single` for an empty enum contains a `VariantIdx` of 0; looking that up in the enum variant list will ICE. That's quite confusing. So let's fix that by adding a new `Variants::Empty` case for types that have 0 variants. try-job: i686-msvc
2024-12-18make no-variant types a dedicated Variants variantRalf Jung-6/+6
2024-12-18Variants::Single: do not use invalid VariantIdx for uninhabited enumsRalf Jung-1/+2
2024-12-18Auto merge of #134425 - clubby789:cargo-update, r=jieyouxubors-1/+2
Pin `cc` and run `cargo update` `cc` tends to cause issues with automatic bumps so locking it to be bumped individually when necessary <details> <summary>compiler and tools dependencies</summary> ``` Updating allocator-api2 v0.2.20 -> v0.2.21 Updating annotate-snippets v0.11.4 -> v0.11.5 Updating anyhow v1.0.93 -> v1.0.94 Updating bstr v1.11.0 -> v1.11.1 Updating chrono v0.4.38 -> v0.4.39 Updating clap v4.5.21 -> v4.5.23 Updating clap_builder v4.5.21 -> v4.5.23 Updating clap_complete v4.5.38 -> v4.5.39 Updating clap_lex v0.7.3 -> v0.7.4 Updating colored v2.1.0 -> v2.2.0 Updating console v0.15.8 -> v0.15.10 Updating crossbeam-channel v0.5.13 -> v0.5.14 Updating crossbeam-deque v0.8.5 -> v0.8.6 Updating crossbeam-utils v0.8.20 -> v0.8.21 Updating encode_unicode v0.3.6 -> v1.0.0 Updating fastrand v2.2.0 -> v2.3.0 Updating home v0.5.9 -> v0.5.11 Updating js-sys v0.3.74 -> v0.3.76 Updating libc v0.2.167 -> v0.2.168 Updating miniz_oxide v0.8.0 -> v0.8.1 Updating pest v2.7.14 -> v2.7.15 Updating pest_derive v2.7.14 -> v2.7.15 Updating pest_generator v2.7.14 -> v2.7.15 Updating pest_meta v2.7.14 -> v2.7.15 Updating redox_syscall v0.5.7 -> v0.5.8 Updating rustc-stable-hash v0.1.0 -> v0.1.1 Updating rustix v0.38.41 -> v0.38.42 Updating self_cell v1.0.4 -> v1.1.0 Updating semver v1.0.23 -> v1.0.24 Updating serde v1.0.215 -> v1.0.216 Updating serde_derive v1.0.215 -> v1.0.216 Adding thiserror v2.0.7 Adding thiserror-impl v2.0.7 Updating time v0.3.36 -> v0.3.37 Updating time-macros v0.2.18 -> v0.2.19 Updating tokio v1.41.1 -> v1.42.0 Updating wasm-bindgen v0.2.97 -> v0.2.99 Updating wasm-bindgen-backend v0.2.97 -> v0.2.99 Updating wasm-bindgen-macro v0.2.97 -> v0.2.99 Updating wasm-bindgen-macro-support v0.2.97 -> v0.2.99 Updating wasm-bindgen-shared v0.2.97 -> v0.2.99 Updating wasm-encoder v0.221.0 -> v0.221.2 Updating wasmparser v0.221.0 -> v0.221.2 Updating wast v221.0.0 -> v221.0.2 Updating wat v1.221.0 -> v1.221.2 ``` </details> <details> <summary>library dependencies</summary> ``` Updating allocator-api2 v0.2.20 -> v0.2.21 Updating libc v0.2.167 -> v0.2.168 ``` </details> <details> <summary>rustbook dependencies</summary> ``` Updating anyhow v1.0.93 -> v1.0.94 Updating bstr v1.11.0 -> v1.11.1 Updating chrono v0.4.38 -> v0.4.39 Updating clap v4.5.21 -> v4.5.23 Updating clap_builder v4.5.21 -> v4.5.23 Updating clap_complete v4.5.38 -> v4.5.39 Updating clap_lex v0.7.3 -> v0.7.4 Updating fastrand v2.2.0 -> v2.3.0 Updating js-sys v0.3.74 -> v0.3.76 Updating libc v0.2.167 -> v0.2.168 Updating miniz_oxide v0.8.0 -> v0.8.1 Updating pest v2.7.14 -> v2.7.15 Updating pest_derive v2.7.14 -> v2.7.15 Updating pest_generator v2.7.14 -> v2.7.15 Updating pest_meta v2.7.14 -> v2.7.15 Updating pulldown-cmark-to-cmark v19.0.0 -> v19.0.1 Updating redox_syscall v0.5.7 -> v0.5.8 Updating rustix v0.38.41 -> v0.38.42 Updating semver v1.0.23 -> v1.0.24 Updating serde v1.0.215 -> v1.0.216 Updating serde_derive v1.0.215 -> v1.0.216 Adding thiserror v2.0.7 Adding thiserror-impl v2.0.7 Updating wasm-bindgen v0.2.97 -> v0.2.99 Updating wasm-bindgen-backend v0.2.97 -> v0.2.99 Updating wasm-bindgen-macro v0.2.97 -> v0.2.99 Updating wasm-bindgen-macro-support v0.2.97 -> v0.2.99 Updating wasm-bindgen-shared v0.2.97 -> v0.2.99 Removing windows-sys v0.52.0 ``` </details>
2024-12-18Re-export more `rustc_span::symbol` things from `rustc_span`.Nicholas Nethercote-17/+11
`rustc_span::symbol` defines some things that are re-exported from `rustc_span`, such as `Symbol` and `sym`. But it doesn't re-export some closely related things such as `Ident` and `kw`. So you can do `use rustc_span::{Symbol, sym}` but you have to do `use rustc_span::symbol::{Ident, kw}`, which is inconsistent for no good reason. This commit re-exports `Ident`, `kw`, and `MacroRulesNormalizedIdent`, and changes many `rustc_span::symbol::` qualifiers in `compiler/` to `rustc_span::`. This is a 200+ net line of code reduction, mostly because many files with two `use rustc_span` items can be reduced to one.
2024-12-17compiler & tools dependencies:clubby789-1/+2
Updating allocator-api2 v0.2.20 -> v0.2.21 Updating annotate-snippets v0.11.4 -> v0.11.5 Updating anyhow v1.0.93 -> v1.0.94 Updating bstr v1.11.0 -> v1.11.1 Updating chrono v0.4.38 -> v0.4.39 Updating clap v4.5.21 -> v4.5.23 Updating clap_builder v4.5.21 -> v4.5.23 Updating clap_complete v4.5.38 -> v4.5.39 Updating clap_lex v0.7.3 -> v0.7.4 Updating colored v2.1.0 -> v2.2.0 Updating console v0.15.8 -> v0.15.10 Updating crossbeam-channel v0.5.13 -> v0.5.14 Updating crossbeam-deque v0.8.5 -> v0.8.6 Updating crossbeam-utils v0.8.20 -> v0.8.21 Updating encode_unicode v0.3.6 -> v1.0.0 Updating fastrand v2.2.0 -> v2.3.0 Updating home v0.5.9 -> v0.5.11 Updating js-sys v0.3.74 -> v0.3.76 Updating libc v0.2.167 -> v0.2.168 Updating miniz_oxide v0.8.0 -> v0.8.1 Updating pest v2.7.14 -> v2.7.15 Updating pest_derive v2.7.14 -> v2.7.15 Updating pest_generator v2.7.14 -> v2.7.15 Updating pest_meta v2.7.14 -> v2.7.15 Updating redox_syscall v0.5.7 -> v0.5.8 Updating rustc-stable-hash v0.1.0 -> v0.1.1 Updating rustix v0.38.41 -> v0.38.42 Updating self_cell v1.0.4 -> v1.1.0 Updating semver v1.0.23 -> v1.0.24 Updating serde v1.0.215 -> v1.0.216 Updating serde_derive v1.0.215 -> v1.0.216 Adding thiserror v2.0.7 Adding thiserror-impl v2.0.7 Updating time v0.3.36 -> v0.3.37 Updating time-macros v0.2.18 -> v0.2.19 Updating tokio v1.41.1 -> v1.42.0 Updating wasm-bindgen v0.2.97 -> v0.2.99 Updating wasm-bindgen-backend v0.2.97 -> v0.2.99 Updating wasm-bindgen-macro v0.2.97 -> v0.2.99 Updating wasm-bindgen-macro-support v0.2.97 -> v0.2.99 Updating wasm-bindgen-shared v0.2.97 -> v0.2.99 Updating wasm-encoder v0.221.0 -> v0.221.2 Updating wasmparser v0.221.0 -> v0.221.2 Updating wast v221.0.0 -> v221.0.2 Updating wat v1.221.0 -> v1.221.2 library dependencies: Updating allocator-api2 v0.2.20 -> v0.2.21 Updating libc v0.2.167 -> v0.2.168 rustbook dependencies: Updating anyhow v1.0.93 -> v1.0.94 Updating bstr v1.11.0 -> v1.11.1 Updating chrono v0.4.38 -> v0.4.39 Updating clap v4.5.21 -> v4.5.23 Updating clap_builder v4.5.21 -> v4.5.23 Updating clap_complete v4.5.38 -> v4.5.39 Updating clap_lex v0.7.3 -> v0.7.4 Updating fastrand v2.2.0 -> v2.3.0 Updating js-sys v0.3.74 -> v0.3.76 Updating libc v0.2.167 -> v0.2.168 Updating miniz_oxide v0.8.0 -> v0.8.1 Updating pest v2.7.14 -> v2.7.15 Updating pest_derive v2.7.14 -> v2.7.15 Updating pest_generator v2.7.14 -> v2.7.15 Updating pest_meta v2.7.14 -> v2.7.15 Updating pulldown-cmark-to-cmark v19.0.0 -> v19.0.1 Updating redox_syscall v0.5.7 -> v0.5.8 Updating rustix v0.38.41 -> v0.38.42 Updating semver v1.0.23 -> v1.0.24 Updating serde v1.0.215 -> v1.0.216 Updating serde_derive v1.0.215 -> v1.0.216 Adding thiserror v2.0.7 Adding thiserror-impl v2.0.7 Updating wasm-bindgen v0.2.97 -> v0.2.99 Updating wasm-bindgen-backend v0.2.97 -> v0.2.99 Updating wasm-bindgen-macro v0.2.97 -> v0.2.99 Updating wasm-bindgen-macro-support v0.2.97 -> v0.2.99 Updating wasm-bindgen-shared v0.2.97 -> v0.2.99 Removing windows-sys v0.52.0
2024-12-16rename rustc_attr to rustc_attr_parsing and create rustc_attr_data_structuresJonathan Dönszelmann-8/+9
2024-12-16split attributesJonathan Dönszelmann-3/+5
2024-12-15Auto merge of #131808 - jdonszelmann:hir-attributes, r=oli-obk,petrochenkovbors-51/+47
Hir attributes This PR needs some explanation, it's somewhat large. - This is step one as described in https://github.com/rust-lang/compiler-team/issues/796. I've added a new `hir::Attribute` which is a lowered version of `ast::Attribute`. Right now, this has few concrete effects, however every place that after this PR parses a `hir::Attribute` should later get a pre-parsed attribute as described in https://github.com/rust-lang/compiler-team/issues/796 and transitively https://github.com/rust-lang/rust/issues/131229. - an extension trait `AttributeExt` is added, which is implemented for both `ast::Attribute` and `hir::Atribute`. This makes `hir::Attributes` mostly compatible with code that used to parse `ast::Attribute`. All its methods are also added as inherent methods to avoid having to import the trait everywhere in the compiler. - Incremental can not not hash `ast::Attribute` at all.
2024-12-15Add hir::AttributeJonathan Dönszelmann-51/+47
2024-12-15Auto merge of #133417 - RalfJung:aarch64-float-abi, r=workingjubileebors-2/+2
reject aarch64 target feature toggling that would change the float ABI ~~Stacked on top of https://github.com/rust-lang/rust/pull/133099. Only the last two commits are new.~~ The first new commit lays the groundwork for separately controlling whether a feature may be enabled or disabled. The second commit uses that to make it illegal to *disable* the `neon` feature (which is only possible via `-Ctarget-feature`, and so the new check just adds a warning). Enabling the `neon` feature remains allowed on targets that don't disable `neon` or `fp-armv8`, which is all our built-in targets. This way, the entire PR is not a breaking change. Fixes https://github.com/rust-lang/rust/issues/131058 for hardfloat targets (together with https://github.com/rust-lang/rust/pull/133102 which fixed it for softfloat targets). Part of https://github.com/rust-lang/rust/issues/116344.
2024-12-15Auto merge of #134117 - DianQK:gep-i8, r=oli-obkbors-4/+1
Modifies the index instruction from `gep [0 x %Type]` to `gep %Type` Fixes #133979. This PR modifies the index instruction from `gep [0 x %Type]` to `gep %Type`, which is the same with pointer offset calculation. This will help LLVM calculate various formats of GEP instructions. According to [[RFC] Replacing getelementptr with ptradd](https://discourse.llvm.org/t/rfc-replacing-getelementptr-with-ptradd/68699), we ultimately aim to canonicalize everything to `gep i8`. Based on the results from https://github.com/rust-lang/rust/pull/134117#issuecomment-2531717076, I think we still need to investigate some missing optimizations, so this PR is just a small step forward. r? compiler
2024-12-15Simplify the GEP instruction for indexDianQK-4/+1
2024-12-15Rollup merge of #134285 - oli-obk:push-vwrqsqlwnuxo, r=UrgauStuart Cook-2/+2
Add some convenience helper methods on `hir::Safety` Makes a lot of call sites simpler and should make any refactorings needed for https://github.com/rust-lang/rust/pull/134090#issuecomment-2541332415 simpler, as fewer sites have to be touched in case we end up storing some information in the variants of `hir::Safety`
2024-12-15Rollup merge of #133633 - jyn514:hide-linker-args, r=bjorn3,jyn514Stuart Cook-6/+68
don't show the full linker args unless `--verbose` is passed the linker arguments can be *very* long, especially for crates with many dependencies. often they are not useful. omit them unless the user specifically requests them. split out from https://github.com/rust-lang/rust/pull/119286. fixes https://github.com/rust-lang/rust/issues/109979. r? `@bjorn3` try-build: i686-mingw
2024-12-14don't show the full linker args unless `--verbose` is passedjyn-6/+68
the linker arguments can be *very* long, especially for crates with many dependencies. some parts of them are not very useful. unless specifically requested: - omit object files specific to the current invocation - fold rlib files into a single braced argument (in shell expansion format) this shortens the output significantly without removing too much information.
2024-12-14Add some convenience helper methods on `hir::Safety`Oli Scherer-2/+2
2024-12-14target_features: control separately whether enabling and disabling a target ↵Ralf Jung-2/+2
feature is allowed
2024-12-14Rollup merge of #134251 - bjorn3:various_cleanups2, r=oli-obkMatthias Krüger-28/+16
A bunch of cleanups (part 2) Just like https://github.com/rust-lang/rust/pull/133567 these were all found while looking at the respective code, but are not blocking any other changes I want to make in the short term.
2024-12-13Auto merge of #133099 - RalfJung:forbidden-hardfloat-features, r=workingjubileebors-31/+26
forbid toggling x87 and fpregs on hard-float targets Part of https://github.com/rust-lang/rust/issues/116344, follow-up to https://github.com/rust-lang/rust/pull/129884: The `x87` target feature on x86 and the `fpregs` target feature on ARM must not be disabled on a hardfloat target, as that would change the float ABI. However, *enabling* `fpregs` on ARM is [explicitly requested](https://github.com/rust-lang/rust/issues/130988) as it seems to be useful. Therefore, we need to refine the distinction of "forbidden" target features and "allowed" target features: all (un)stable target features can determine on a per-target basis whether they should be allowed to be toggled or not. `fpregs` then checks whether the current target has the `soft-float` feature, and if yes, `fpregs` is permitted -- otherwise, it is not. (Same for `x87` on x86). Also fixes https://github.com/rust-lang/rust/issues/132351. Since `fpregs` and `x87` can be enabled on some builds and disabled on others, it would make sense that one can query it via `cfg`. Therefore, I made them behave in `cfg` like any other unstable target feature. The first commit prepares the infrastructure, but does not change behavior. The second commit then wires up `fpregs` and `x87` with that new infrastructure. r? `@workingjubilee`
2024-12-13Make dependency_formats an FxIndexMap rather than a list of tuplesbjorn3-22/+14
It is treated as a map already. This is using FxIndexMap rather than UnordMap because the latter doesn't provide an api to pick a single value iff all values are equal, which each_linked_rlib depends on.
2024-12-13Remove jobserver from Sessionbjorn3-6/+2
It is effectively a global resource and the jobserver::Client in Session was a clone of GLOBAL_CLIENT anyway.
2024-12-12Auto merge of #129181 - beetrees:asm-spans, r=pnkfelix,compiler-errorsbors-13/+8
Pass end position of span through inline ASM cookie Before this PR, only the start position of the span was passed though the inline ASM cookie to diagnostics. LLVM 19 has full support for 64-bit inline ASM cookies; this PR uses that to pass the end position of the span in the upper 32 bits, meaning inline ASM diagnostics now point at the entire line the error occurred on, not just the first character of it.
2024-12-11Auto merge of #128004 - folkertdev:naked-fn-asm, r=Amanieubors-5/+294
codegen `#[naked]` functions using global asm tracking issue: https://github.com/rust-lang/rust/issues/90957 Fixes #124375 This implements the approach suggested in the tracking issue: use the existing global assembly infrastructure to emit the body of `#[naked]` functions. The main advantage is that we now have full control over what gets generated, and are no longer dependent on LLVM not sneakily messing with our output (inlining, adding extra instructions, etc). I discussed this approach with `@Amanieu` and while I think the general direction is correct, there is probably a bunch of stuff that needs to change or move around here. I'll leave some inline comments on things that I'm not sure about. Combined with https://github.com/rust-lang/rust/pull/127853, if both accepted, I think that resolves all steps from the tracking issue. r? `@Amanieu`
2024-12-11apply review feedbackRalf Jung-2/+2
2024-12-11generalize 'forbidden feature' concept so that even (un)stable feature can ↵Ralf Jung-31/+26
be invalid to toggle Also rename some things for extra clarity
2024-12-11Rollup merge of #134139 - mustartt:pgo-linker-flag, r=saethlinJacob Pratt-0/+2
[AIX] keep profile-rt symbol alive Clang passes `-u __llvm_profile_runtime` on AIX. https://reviews.llvm.org/D136192 We want to preserve the symbol in the case there are no instrumented object files.
2024-12-10emit `.weak_definition` instead of `.weak` on macosFolkert de Vries-28/+37
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2026-02-24 22:54:45 +0000