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Commits on Jun 5, 2026

• [JSC] Fix opcode assert for Array.p.sort OSR exit

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• [JSC] Use C++20 concepts across JSC code

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Commits on Jun 2, 2026

• [JSC] Add foundation of handling builtin iterators in fast-iteration-protocol

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Commits on May 20, 2026

• [JSC] Collect profile from Baseline JIT compiler when LLInt -> Baseline

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Commits on May 18, 2026

• [JSC] Shrink sizeof(JSGenerator)

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Commits on May 15, 2026

• [JSC] Optimize stricteq with non-String / non-HeapBigInt cells

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Commits on May 14, 2026

• Fixed a stray -Wunsafe-buffer-usage pragma that accidentally disabled the check

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• [GLIB] Non-unified build fixes for May 13th 2026

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Commits on May 11, 2026

• [JSC] Inline small sorting in DFG / FTL

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Commits on May 7, 2026

• [JSC] Move aINT / mINT / uINT bytecode under RTT

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• [JSC] IPInt fast path for `memory.atomic.wait32`/`wait64` wraps the Memory64 effective address

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• REGRESSION(312814@main): Broke some macOS builds (use of undeclared identifier 'vmPageSize')

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• Optimize JavaScriptCore #includes

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• [JSC][WASM][Debugger] Fix STW deadlocks when VM blocks in memory.atomic.wait or WebCore operations

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• [Wasm] Use a lazy restore frame when returning from tail calls

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Commits on May 5, 2026

• [JSC][JSPI] Throw on stack overflow instead of crashing

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Commits on May 3, 2026

• Re-land "[Build speed] Reduce JSC includes in WebCore JS bindings"

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Commits on May 2, 2026

• Unreviewed, reverting 312470@main.

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• [Build speed] Reduce JSC includes in WebCore JS bindings

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Commits on May 1, 2026

• IPInt multimemory bounds check underflows if memory size is 0

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Commits on Apr 30, 2026

• [JSC] Delay PC advancement until after operationCallMayThrow in IPInt

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Commits on Apr 21, 2026

• Unreviewed, disable ARM64E dotprod

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• [JSC] Implement relaxed Wasm SIMD

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Commits on Apr 20, 2026

• [JSC] Fix !ENABLE(JIT) build

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• [JSC] Simplify IPInt local accessors, aligning to the other code

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• Further reduce use of jsCast<>()

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Commits on Apr 19, 2026

• Drop jsDynamicCast<>() in favor of dynamicDowncast<>()

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Commits on Apr 18, 2026

• Unreviewed, reverting 311492@main (e7ae451260d7)

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Commits on Apr 17, 2026

• [JSC] Fix !ENABLE(JIT) build

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  syg

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Commits on Apr 16, 2026

• [JSC] Remove PL from IPInt

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• [Wasm] Unify IPInt's prepare_call and prepare_call_indirect paths

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  kmiller68

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• Add wasm wide arithmetic proposal

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Commits on Apr 14, 2026

• [JSC] Atomic instructions in IPInt should not have metadata if it does not call functions

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Commits on Apr 13, 2026

• [JSC] Consolidate error throwing code in IPInt to reduce code size in each handler

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• [JSC] Remove IPInt metadata from SIMD instructions

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