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## New Type Solver 1. Update resolved types for singleton unions and intersections to avoid crashing when type checking type assertions. 2. Generalize free return type pack of a function type inferred at call site to ensure that the free type does not leak to another module. 3. Fix crash from cyclic indexers by reducing if possible or producing an error otherwise. 4. Fix handling of irreducible type functions to prevent type inference from failing. 5. Fix handling of recursive metatables to avoid infinite recursion. ## New and Old Type Solver Fix accidental capture of all exceptions in multi-threaded typechecking by converting all typechecking exceptions to `InternalCompilerError` and only capturing those. ## Fragment Autocomplete 1. Add a block based diff algorithm based on class index and span for re-typechecking. This reduces the granularity of fragment autocomplete to avoid flakiness when the fragment does not have enough type information. 2. Fix bugs arising from incorrect scope selection for autocompletion. ## Roundtrippable AST Store type alias location in `TypeFun` class to ensure it is accessible for exported types as part of the public interface. ## Build System 1. Bump minimum supported CMake version to 3.10 since GitHub is phasing out the currently supported minimum version 3.0, released 11 years ago. 2. Fix compilation when `HARDSTACKTESTS` is enabled. ## Miscellaneous Flag removals and cleanup of unused code. ## Internal Contributors Co-authored-by: Andy Friesen <afriesen@roblox.com> Co-authored-by: Ariel Weiss <aaronweiss@roblox.com> Co-authored-by: Hunter Goldstein <hgoldstein@roblox.com> Co-authored-by: Talha Pathan <tpathan@roblox.com> Co-authored-by: Vighnesh Vijay <vvijay@roblox.com> Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com> ## External Contributors Thanks to [@grh-official](https://github.com/grh-official) for PR #1759 **Full Changelog**: https://github.com/luau-lang/luau/compare/0.667...0.668 --------- Co-authored-by: Hunter Goldstein <hgoldstein@roblox.com> Co-authored-by: Varun Saini <61795485+vrn-sn@users.noreply.github.com> Co-authored-by: Alexander Youngblood <ayoungblood@roblox.com> Co-authored-by: Menarul Alam <malam@roblox.com> Co-authored-by: Vighnesh <vvijay@roblox.com> Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com> Co-authored-by: Ariel Weiss <aaronweiss@roblox.com> |
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| .. | ||
| Anyification.h | ||
| ApplyTypeFunction.h | ||
| AstJsonEncoder.h | ||
| AstQuery.h | ||
| Autocomplete.h | ||
| AutocompleteTypes.h | ||
| BuiltinDefinitions.h | ||
| Cancellation.h | ||
| Clone.h | ||
| Constraint.h | ||
| ConstraintGenerator.h | ||
| ConstraintSolver.h | ||
| ControlFlow.h | ||
| DataFlowGraph.h | ||
| DcrLogger.h | ||
| Def.h | ||
| Differ.h | ||
| Documentation.h | ||
| EqSatSimplification.h | ||
| EqSatSimplificationImpl.h | ||
| Error.h | ||
| FileResolver.h | ||
| FragmentAutocomplete.h | ||
| Frontend.h | ||
| Generalization.h | ||
| GlobalTypes.h | ||
| InsertionOrderedMap.h | ||
| Instantiation.h | ||
| Instantiation2.h | ||
| IostreamHelpers.h | ||
| JsonEmitter.h | ||
| Linter.h | ||
| LValue.h | ||
| Metamethods.h | ||
| Module.h | ||
| ModuleResolver.h | ||
| NonStrictTypeChecker.h | ||
| Normalize.h | ||
| NotNull.h | ||
| OverloadResolution.h | ||
| Predicate.h | ||
| Quantify.h | ||
| RecursionCounter.h | ||
| Refinement.h | ||
| RequireTracer.h | ||
| Scope.h | ||
| Set.h | ||
| Simplify.h | ||
| Substitution.h | ||
| Subtyping.h | ||
| Symbol.h | ||
| TableLiteralInference.h | ||
| ToDot.h | ||
| TopoSortStatements.h | ||
| ToString.h | ||
| Transpiler.h | ||
| TxnLog.h | ||
| Type.h | ||
| TypeArena.h | ||
| TypeAttach.h | ||
| TypeChecker2.h | ||
| TypeCheckLimits.h | ||
| TypedAllocator.h | ||
| TypeFunction.h | ||
| TypeFunctionReductionGuesser.h | ||
| TypeFunctionRuntime.h | ||
| TypeFunctionRuntimeBuilder.h | ||
| TypeFwd.h | ||
| TypeInfer.h | ||
| TypeOrPack.h | ||
| TypePack.h | ||
| TypePairHash.h | ||
| TypePath.h | ||
| TypeUtils.h | ||
| Unifiable.h | ||
| Unifier.h | ||
| Unifier2.h | ||
| UnifierSharedState.h | ||
| VisitType.h | ||