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1. Commits on Aug 2, 2026

   • Remove 32-bit JSValues.

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     justinmichaud

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2. Commits on May 6, 2026

   • Fix the doc comment of BASE_CONTIGUOUS_VECTOR_LEN

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     ast-hugger

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3. Commits on Aug 7, 2025

   • [Swift in WebKit] Work towards modularizing JSC private headers (Part 1)

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     rr-codes

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4. Commits on Oct 30, 2024

   • Added skip markers for JavaScriptCore and WebCore files that do not conform to -Wunsafe-buffer-usage

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     geoffreygaren

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5. Commits on Dec 17, 2019

   • ASSERTION FAILED: length <= maximumLength in js-fixed-array-out-of-memory.js

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     Constellation

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6. Commits on Sep 18, 2019

   • Use constexpr instead of const in symbol definitions that are obviously constexpr.

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     Mark Lam

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7. Commits on Mar 21, 2019

   • Cap length of an array with spread to MIN_ARRAY_STORAGE_CONSTRUCTION_LENGTH.

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     Mark Lam

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8. Commits on Feb 16, 2018

   • Unreviewed, roll out r228306 (custom memcpy/memset) because the bots say that it was not a

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     Filip Pizlo

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9. Commits on Feb 9, 2018

   • Experiment with alternative implementation of memcpy/memset

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     Filip Pizlo

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10. Commits on Sep 22, 2017

    • [DFG][FTL] Profile array vector length for array allocation

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      Constellation

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    • Unreviewed, rolling out r222380.

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      webkit-commit-queue

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      Constellation

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    • [DFG][FTL] Profile array vector length for array allocation

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      Constellation

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11. Commits on Jun 25, 2017

    • Remove excessive headers from JavaScriptCore

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      annulen

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12. Commits on Jun 7, 2017

    • Contiguous storage butterfly length should not exceed MAX_STORAGE_VECTOR_LENGTH.

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      Mark Lam

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13. Commits on Sep 28, 2016

    • Unreviewed, rolling out r206522.

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      ryanhaddad

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    • Unreviewed, rolling out r206506.

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      webkit-commit-queue

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    • Adopt #pragma once in JavaScriptCore

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      JosephPecoraro

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14. Commits on Sep 6, 2016

    • Butterflies should be allocated in Auxiliary MarkedSpace instead of CopiedSpace and we should rewrite as much of the GC as needed to make this not a regression

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      Filip Pizlo

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15. Commits on Aug 24, 2016

    • Unreviewed, roll out r204901, r204897, r204866, r204856, r204854.

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      Filip Pizlo

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16. Commits on Aug 23, 2016

    • Butterflies should be allocated in Auxiliary MarkedSpace instead of CopiedSpace and we should rewrite as much of the GC as needed to make this not a regression

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      Filip Pizlo

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17. Commits on May 5, 2015

    • Large array shouldn't be slow

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      Filip Pizlo

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18. Commits on Jan 1, 2015

    • We often misspell identifier as "identifer"

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      darinadler

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19. Commits on Jul 26, 2013

    • Setting a large numeric property on an object causes it to allocate a huge backing store

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      Mark Hahnenberg

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20. Commits on Nov 1, 2012

    • Sparse array size threshold should be increased to 100000

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      Filip Pizlo

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21. Commits on Oct 9, 2012

    • JSC should infer when indexed storage is contiguous, and optimize for it

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      Filip Pizlo

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22. Commits on Sep 20, 2012

    • CHECK_ARRAY_CONSISTENCY isn't being used or tested, so we should remove it

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      Filip Pizlo

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23. Commits on Sep 13, 2012

    • JSC should have property butterflies

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      Filip Pizlo

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