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2025/01-27: Add weekly report
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‎2025/2025-01-27-report.org

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#+title: Weekly report for 20th of January to 27th of January 2025
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#+author: Philip Herron, Pierre-Emmanuel Patry, Arthur Cohen
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#+date: 2025-01-27
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** Overview
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Thanks again to [[https://opensrcsec.com/][Open Source Security, inc]] and [[https://www.embecosm.com/][Embecosm]] for their ongoing support for this project.
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- 10 PRs merged this week, very productive week
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- Advancements on all three milestones that were mentionned
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- Error Propagation operator milestone almost completed but not merged
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- All of the lang items are set in place
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- Waiting on fixing one bug in our backend which culls the generated nodes
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- There are also two typechecker issues holding us back a little
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- One massive PR is also in review which will almost get us all the way to for-loops and error propagation operator
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- Fixes to our built-in derive macros when implemented on generic types
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- More name resolution 2.0 fixes, including closure capture feature which is essential
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- Progress on the black_box intrinsic as well
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** Completed Activities
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- Update `upload-artifact` to v4 [[https://github.com/rust-gcc/gccrs/pull/3387][PR3387]]
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- backend: Allow anything as a match scrutinee [[https://github.com/rust-gcc/gccrs/pull/3379][PR3379]]
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- Check for type paths nr2.0 can't handle yet [[https://github.com/rust-gcc/gccrs/pull/3377][PR3377]]
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- lang-items: Add Result and Try lang items [[https://github.com/rust-gcc/gccrs/pull/3375][PR3375]]
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- Add receiver lang item [[https://github.com/rust-gcc/gccrs/pull/3374][PR3374]]
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- Nr2 closure captures [[https://github.com/rust-gcc/gccrs/pull/3373][PR3373]]
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- Add basic handling for auto-traits [[https://github.com/rust-gcc/gccrs/pull/3370][PR3370]]
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- derive(Copy): Improve bounds when deriving Copy [[https://github.com/rust-gcc/gccrs/pull/3369][PR3369]]
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- Improve `derive(Clone)` for generic types [[https://github.com/rust-gcc/gccrs/pull/3367][PR3367]]
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- Fix rust breakage with nr2 [[https://github.com/rust-gcc/gccrs/pull/3266][PR3266]]
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*** Contributors this week
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- [[https://github.com/Lishin1215][Lishin]] (new contributor!)
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- [[https://github.com/powerboat9][Owen Avery]]
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- [[https://github.com/philberty][Philip Herron]]
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- [[https://github.com/cohenarthur][Arthur Cohen]]
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- [[https://github.com/P-E-P][Pierre-Emmanuel Patry]]
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*** Overall Task Status
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| Category | Last Week | This Week | Delta |
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|-------------+-----------+-----------+-------|
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| TODO | 308 | 308 | - |
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| In Progress | 93 | 94 | +1 |
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| Completed | 926 | 928 | +2 |
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*** Bugs
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| Category | Last Week | This Week | Delta |
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|-------------+-----------+-----------+-------|
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| TODO | 108 | 108 | - |
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| In Progress | 41 | 40 | - |
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| Completed | 460 | 460 | - |
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*** Test Cases
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| TestCases | Last Week | This Week | Delta |
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|-----------+-----------+-----------+-------|
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| Passing | 9426 | 9426 | +19 |
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| Failed | - | - | - |
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| XFAIL | 209 | 209 | +3 |
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| XPASS | | | |
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*** Milestones Progress
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| Milestone | Last Week | This Week | Delta | Start Date | Completion Date | Target | Target GCC |
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|-----------------------------------|------------|------------|-------|---------------|-----------------|---------------|------------|
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| Name resolution 2.0 rework | 20% | 22% | +2% | 1st Jun 2024 | - | 1st Apr 2025 | GCC 15.1 |
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| Macro expansion | 33% | 45% | +12% | 1st Jun 2024 | - | 1st Jan 2025 | GCC 15.1 |
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| Auto traits improvements | 60% | 100% | +40% | 15th Sep 2024 | 20th Jan 2025 | 21st Dec 2024 | GCC 15.1 |
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| Remaining typecheck issues | 88% | 88% | - | 21st Oct 2024 | - | 1st Mar 2025 | GCC 15.1 |
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| cfg-core | 0% | 0% | - | 1st Dec 2024 | - | 1st Mar 2025 | GCC 15.1 |
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| Codegen fixes | 0% | 0% | - | 7th Oct 2024 | - | 1st Mar 2025 | GCC 15.1 |
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| black_box intrinsic | 0% | 20% | +20% | 28th Oct 2024 | - | 28th Jan 2025 | GCC 15.1 |
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| Question mark operator | 0% | 16% | +16% | 15th Dec 2024 | - | 21st Feb 2025 | GCC 15.1 |
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| Upcoming Milestone | Last Week | This Week | Delta | Start Date | Completion Date | Target | Target GCC |
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|-----------------------------------|------------|------------|-------|---------------|-----------------|---------------|------------|
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| alloc parser issues | 100% | 100% | - | 7th Jan 2025 | 31st Jun 2024 | 28th Jan 2025 | GCC 15.1 |
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| cfg-rfl | 0% | 0% | - | 7th Jan 2025 | - | 15th Feb 2025 | GCC 15.1 |
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| let-else | 0% | 0% | - | 28th Jan 2025 | - | 28th Feb 2025 | GCC 15.1 |
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| Specialization | 0% | 0% | - | 1st Jan 2025 | - | 1st Mar 2025 | GCC 15.1 |
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| Inline assembly | 100% | 100% | - | 1st Jun 2024 | 26th Aug 2024 | 15th Sep 2024 | GCC 15.1 |
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| Borrow checker improvements | 100% | 100% | - | 1st Jun 2024 | 26th Aug 2024 | 15th Sep 2024 | GCC 15.1 |
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| Rustc Testsuite Adaptor | 0% | 0% | - | 1st Jun 2024 | - | 15th Sep 2024 | GCC 15.1 |
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| Unstable RfL features | 0% | 0% | - | 7th Jan 2025 | - | 1st Mar 2025 | GCC 15.1 |
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| Explicit generics with impl Trait | 0% | 0% | - | 28th Feb 2025 | - | 28th Mar 2025 | GCC 15.1 |
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| Downgrade to Rust 1.49 | 0% | 0% | - | - | - | 1st Apr 2025 | GCC 15.1 |
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| offset_of!() builtin macro | 0% | 0% | - | 15th Mar 2025 | - | 15th May 2025 | GCC 15.1 |
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| Generic Associated Types | 0% | 0% | - | 15th Mar 2025 | - | 15th Jun 2025 | GCC 16.1 |
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| RfL const generics | 0% | 0% | - | 1st May 2025 | - | 15th Jun 2025 | GCC 16.1 |
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| frontend plugin hooks | 0% | 0% | - | 15th May 2025 | - | 7th Jul 2025 | GCC 16.1 |
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| Handling the testsuite issues | 0% | 0% | - | 15th Sep 2024 | - | 15th Sep 2025 | GCC 16.1 |
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| std parser issues | 100% | 100% | - | 7th Jan 2025 | 31st Jun 2024 | 28th Jan 2025 | GCC 16.1 |
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| main shim | 0% | 0% | - | 28th Jul 2025 | - | 15th Sep 2025 | GCC 16.1 |
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| Past Milestone | Last Week | This Week | Delta | Start Date | Completion Date | Target | Target GCC |
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|-----------------------------------+------------+------------+-------+---------------+-----------------+---------------|------------|
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| Data Structures 1 - Core | 100% | 100% | - | 30th Nov 2020 | 27th Jan 2021 | 29th Jan 2021 | GCC 14.1 |
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| Control Flow 1 - Core | 100% | 100% | - | 28th Jan 2021 | 10th Feb 2021 | 26th Feb 2021 | GCC 14.1 |
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| Data Structures 2 - Generics | 100% | 100% | - | 11th Feb 2021 | 14th May 2021 | 28th May 2021 | GCC 14.1 |
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| Data Structures 3 - Traits | 100% | 100% | - | 20th May 2021 | 17th Sep 2021 | 27th Aug 2021 | GCC 14.1 |
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| Control Flow 2 - Pattern Matching | 100% | 100% | - | 20th Sep 2021 | 9th Dec 2021 | 29th Nov 2021 | GCC 14.1 |
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| Macros and cfg expansion | 100% | 100% | - | 1st Dec 2021 | 31st Mar 2022 | 28th Mar 2022 | GCC 14.1 |
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| Imports and Visibility | 100% | 100% | - | 29th Mar 2022 | 13th Jul 2022 | 27th May 2022 | GCC 14.1 |
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| Const Generics | 100% | 100% | - | 30th May 2022 | 10th Oct 2022 | 17th Oct 2022 | GCC 14.1 |
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| Initial upstream patches | 100% | 100% | - | 10th Oct 2022 | 13th Nov 2022 | 13th Nov 2022 | GCC 14.1 |
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| Upstream initial patchset | 100% | 100% | - | 13th Nov 2022 | 13th Dec 2022 | 19th Dec 2022 | GCC 14.1 |
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| Update GCC's master branch | 100% | 100% | - | 1st Jan 2023 | 21st Feb 2023 | 3rd Mar 2023 | GCC 14.1 |
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| Final set of upstream patches | 100% | 100% | - | 16th Nov 2022 | 1st May 2023 | 30th Apr 2023 | GCC 14.1 |
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| Borrow Checking 1 | 100% | 100% | - | TBD | 8th Jan 2024 | 15th Aug 2023 | GCC 14.1 |
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| Procedural Macros 1 | 100% | 100% | - | 13th Apr 2023 | 6th Aug 2023 | 6th Aug 2023 | GCC 14.1 |
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| GCC 13.2 Release | 100% | 100% | - | 13th Apr 2023 | 22nd Jul 2023 | 15th Jul 2023 | GCC 14.1 |
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| GCC 14 Stage 3 | 100% | 100% | - | 1st Sep 2023 | 20th Sep 2023 | 1st Nov 2023 | GCC 14.1 |
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| GCC 14.1 Release | 100% | 100% | - | 2nd Jan 2024 | 2nd Jun 2024 | 15th Apr 2024 | GCC 14.1 |
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| format_args!() support | 100% | 100% | - | 15th Feb 2024 | - | 1st Apr 2024 | GCC 14.1 |
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| GCC 14.2 | 100% | 100% | - | 7th Jun 2024 | 15th Jun 2024 | 15th Jun 2024 | GCC 14.2 |
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| GCC 15.1 | 100% | 100% | - | 21st Jun 2024 | 31st Jun 2024 | 1st Jul 2024 | GCC 15.1 |
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| Unhandled attributes | 100% | 100% | - | 1st Jul 2024 | 15th Aug 2024 | 15th Aug 2024 | GCC 15.1 |
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| Deref and DerefMut improvements | 100% | 100% | - | 28th Sep 2024 | 25th Oct 2024 | 28th Dec 2024 | GCC 15.1 |
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| Indexing fixes | 100% | 100% | - | 21st Jul 2024 | 25th Dec 2024 | 15th Nov 2024 | GCC 15.1 |
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| Iterator fixes | 100% | 100% | - | 21st Jul 2024 | 25th Dec 2024 | 15th Nov 2024 | GCC 15.1 |
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| Lang items | 100% | 100% | - | 1st Jul 2024 | 10th Jan 2025 | 21st Nov 2024 | GCC 15.1 |
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*** Risks
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We have now entered Stage 3 of GCC development, and all of the patches we needed to get upstreamed have been upstreamed. The risk present in this table is no longer present.
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| Risk | Impact (1-3) | Likelihood (0-10) | Risk (I * L) | Mitigation |
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|-----------------------------------------------+--------------+-------------------+--------------+-----------------------------------------------------------------|
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| Missing features for GCC 15.1 deadline | 2 | 0 | 0 | Start working on required features as early as July (6mo ahead) |
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** Planned Activities
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- Finish all built-in derive macros
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- Finish work on error propagation expression
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- Finish implementation of black_box intrinsic
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- Continue fixing remaining failing test for name resolution 2.0
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** Detailed changelog

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