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Sync to upstream/release/508 #301

Merged
merged 24 commits into from
Jan 6, 2022
Merged

Sync to upstream/release/508 #301

merged 24 commits into from
Jan 6, 2022

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zeux
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@zeux zeux commented Jan 6, 2022

  • Make tonumber(x) ~2x faster by avoiding reparsing string arguments
  • Improve refinement of complex expressions to propagate types through lookup chains like foo and foo.bar and foo.bar.baz
  • Fix error locations for type errors in string.format arguments

Note: this is "finalizing" the 507-pre release submitted before the holidays; 507 was released on Roblox platform as 508. A subsequent merge will add release 509; to simplify release management, since Luau already released version 507 last year we'll release 509 skipping 508 - that way next week we'll be back in sync with Roblox.

zeux and others added 24 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 <rodactor@roblox.com>
- 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 merged commit d323237 into master Jan 6, 2022
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