Nightly build 2025.02.22

What's Changed

Toolchain and implementation changes 🛠️

• Add LLD subcommand and busybox support by @chandlerc in #4973
• Use llvm::map_range() instead of using mapped_iterator directly by @danakj in #4997

Documentation changes 📝

• Small rephrasing of 'partial' interaction with final classes by @jonmeow in #5000

Full Changelog: v0.0.0-0.nightly.2025.02.21...v0.0.0-0.nightly.2025.02.22

Nightly build 2025.02.21

What's Changed

Proposals accepted and merged 📜

• The Core.Array type for direct-storage immutably-sized buffers by @danakj in #4682

Toolchain and implementation changes 🛠️

• Fix NodeCategory printing. by @zygoloid in #4983
• Reorder the token in a parse node to match its actual location. by @zygoloid in #4984
• Support tuple patterns outside parameter lists by @geoffromer in #4923
• Add and correct tests of impl lookup on generic interfaces by @danakj in #4974
• Should-fail tests using abstract tuples and structs by @josh11b in #4985
• Find the exe prior to busybox resolution by @jonmeow in #4993
• Tuples and structs with abstract types are abstract by @josh11b in #4986
• Change array syntax from [T; N] to array(T, N) by @danakj in #4981
• Make FacetTypeInfo and CompleteFacetType stores share id indices by @danakj in #4989
• Update pre-commit by @jonmeow in #4995

Documentation changes 📝

• Make open question on class variables more explicit by @danakj in #4988

Infrastructure changes 🏗️

• Configure lldb to support /proc/self/cwd paths by @geoffromer in #4992

Full Changelog: v0.0.0-0.nightly.2025.02.20...v0.0.0-0.nightly.2025.02.21

Nightly build 2025.02.20

What's Changed

Toolchain and implementation changes 🛠️

• When diagnosing a duplicated name, add the name to the diagnosis by @bricknerb in #4902
• Make choice work for alternatives without parameters by @danakj in #4815
• Add enumerate() for ValueStore and ImplStore by @danakj in #4975
• Remove Context::DumpFormattedFile by @jonmeow in #4978
• Improve decl_name_stack comments by @jonmeow in #4977
• Avoid diagnosing conversion errors inside deduction of impl arguments by @danakj in #4976
• First iteration of completing and resolving facet types by @josh11b in #4920
• Remove FileTestBase::ValidateRun by @jonmeow in #4979
• Fix clang runner to avoid leaking memory by @chandlerc in #4972

Documentation changes 📝

• Document grammar of field and associated constant decls by @geoffromer in #4980

Full Changelog: v0.0.0-0.nightly.2025.02.19...v0.0.0-0.nightly.2025.02.20

Nightly build 2025.02.19

What's Changed

Toolchain and implementation changes 🛠️

• Move test file writing to our common testing file_helpers by @chandlerc in #4971
• Refactor FileTestBase to split logic between multiple files by @jonmeow in #4968
• Support conversion of facet-ish values for type deduction by @danakj in #4956
• Add and propagate template phase for constants. by @zygoloid in #4964

Full Changelog: v0.0.0-0.nightly.2025.02.17...v0.0.0-0.nightly.2025.02.19

Nightly build 2025.02.18

What's Changed

Toolchain and implementation changes 🛠️

• Refactor stdout and stderr capturing to a library by @chandlerc in #4970

Full Changelog: v0.0.0-0.nightly.2025.02.16...v0.0.0-0.nightly.2025.02.18

Nightly build 2025.02.17

What's Changed

Toolchain and implementation changes 🛠️

• Refactor stdout and stderr capturing to a library by @chandlerc in #4970

Full Changelog: v0.0.0-0.nightly.2025.02.16...v0.0.0-0.nightly.2025.02.17

Nightly build 2025.02.16

What's Changed

Toolchain and implementation changes 🛠️

• Remove obsolete '...' hints on node kind macros by @jonmeow in #4958
• Language Server - implement incremental document sync by @nirmal-j-patel in #4926
• Begin packaging builtin Clang headers by @chandlerc in #4959

Full Changelog: v0.0.0-0.nightly.2025.02.15...v0.0.0-0.nightly.2025.02.16

Nightly build 2025.02.15

What's Changed

Toolchain and implementation changes 🛠️

• Reduce clangd-displayed errors for def files by @jonmeow in #4957
• Add poisoned names to the format by @bricknerb in #4961
• When diagnosing a duplicate name, point to the name instead of the instruction by @bricknerb in #4953
• Allow checking to continue after 'impl as' outside class by @danakj in #4937
• Refactor AddInst-family functions to their own file by @jonmeow in #4941
• Add a test for the case that extend poisons a class member by @bricknerb in #4960
• Add the used name to the NameUseBeforeDecl diagnostic by @bricknerb in #4901
• Diagnose cycles in impl lookup by @danakj in #4947
• Publish empty diagnostics on close by @jonmeow in #4954
• Share ReadFile in tests by @jonmeow in #4967
• Clean up Context API by @jonmeow in #4969

Infrastructure changes 🏗️

• Update rules_cc to 0.1.1 by @DavidLoftus in #4965
• Allow pre-commit to talk to googleapis by @jonmeow in #4966

Full Changelog: v0.0.0-0.nightly.2025.02.14...v0.0.0-0.nightly.2025.02.15

Nightly build 2025.02.14

What's Changed

Toolchain and implementation changes 🛠️

• Superficial support for template modifier on symbolic bindings. by @zygoloid in #4948
• Move diagnostic helpers from Context to other files by @jonmeow in #4949
• Refactor implicit Self param into a member on SemIR::Function by @dwblaikie in #4928
• Avoid poisoning non identifier names by @bricknerb in #4884
• Move type functions off Context by @jonmeow in #4951
• Fix bad merge of comments introduced in #4884 by @bricknerb in #4955

Full Changelog: v0.0.0-0.nightly.2025.02.13...v0.0.0-0.nightly.2025.02.14

Nightly build 2025.02.13

What's Changed

Proposals accepted and merged 📜

• Safety milestones and a 2025 roadmap by @chandlerc in #4880

Toolchain and implementation changes 🛠️

• Generate Cpp namespace when import Cpp is used by @bricknerb in #4873
• Add a test where a FacetType is deduced as another FacetType by @danakj in #4917
• Use FacetAccessType when converting to a value of type FacetType by @danakj in #4925
• Improve comments on conversion from type value to type id by @danakj in #4885
• Don't use an impl when 'extend impl' is an error by @danakj in #4935
• Refactor subpattern logic out of Context by @jonmeow in #4929
• Change Context::IsImplFile to File::is_impl by @jonmeow in #4931
• Improve match parsing diagnostics by @czapiga in #4934
• Fold Context::GetCurrentScopeAs back into ScopeStack by @jonmeow in #4936
• When diagnosing poisoned name, point to the declared name instead of the entire declaration by @bricknerb in #4938
• Rename template constant -> concrete constant. by @zygoloid in #4939
• Refactor name lookup logic out of Context by @jonmeow in #4930
• Delete unused ParamPatternInfo::GetNameId by @jonmeow in #4942
• Avoid speculatively pushing a pattern block in impl handling by @geoffromer in #4943

Documentation changes 📝

• Update compiler explorer mentions in README by @jonmeow in #4946

Infrastructure changes 🏗️

• Register a vscode build task to save all files and run autoupdate. by @zygoloid in #4940
• Remove explorer from issue templates by @jonmeow in #4945

Full Changelog: v0.0.0-0.nightly.2025.02.12...v0.0.0-0.nightly.2025.02.13