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Sync to upstream/release/513 #340

Merged
merged 46 commits into from
Feb 4, 2022
Merged

Sync to upstream/release/513 #340

merged 46 commits into from
Feb 4, 2022

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zeux
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@zeux zeux commented Feb 3, 2022

  • Type checker now knows that assert(x) can't return nil (fixes assert() only excludes nil type after expression evaluated #336)
  • Improve type checker stability when working with multiple modules
  • Improve type checker stability for deeply nested expressions and complex type hierarchies
  • Fix the optimization for select(_, ...) to work for negative indices
  • Repl now uses isocline which supports better color output and improves editing experience

zeux and others added 30 commits November 4, 2021 19:12
Changes:
- Support for time tracing for analysis/compiler (not currently exposed
  through CLI)
- Support for type pack arguments in type aliases (#83)
- Basic support for require(path) in luau-analyze
- Add a lint warning for table.move with 0 index as part of
  TableOperation lint
- Remove last STL dependency from Luau.VM
- Minor VS2022 performance tuning

Co-authored-by: Rodactor <[email protected]>
- A series of major optimizations to type checking performance on complex
programs/types (up to two orders of magnitude speedup for programs
involving huge tagged unions)
- Fix a few issues encountered by UBSAN (and maybe fix s390x builds)
- Fix gcc-11 test builds
- Fix a rare corner case where luau_load wouldn't wake inactive threads
which could result in a use-after-free due to GC
- Fix CLI crash when error object that's not a string escapes to top level
This doesn't contain all changes for 507 yet but we might want to do the
Luau 0.507 release a bit earlier to end the year sooner.
This version isn't for release because we've skipped some internal
numbers due to year-end schedule changes, but it's better to merge
separately.
@zeux zeux closed this Feb 4, 2022
@zeux zeux reopened this Feb 4, 2022
@zeux zeux merged commit d58e70b into master Feb 4, 2022
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assert() only excludes nil type after expression evaluated
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