← WebKit — 2026-W39
0506f92aff189ff96f76f96a7666c62618feb89f [JSC] Expand transition cache / single-transition cache for 16bit source
not a security fix
confidence 0.13
signal score 11.34
Source/JavaScriptCore/runtime
Classified as not security-relevant.
Triage note: Templates JSONTransitionCache get/add/key and LiteralParser::tryConsumeStringEqualTo on CharacterType and adds a bounds-checked 16-bit SIMD path; an optimization extension of the JSON fast path, no existing OOB fixed.
This commit was flagged by the signal scorer and reviewed by AI (not a human). It is listed only so the triage is auditable; there is no root-cause analysis because this is not a vulnerability fix.
Triage note: Templates JSONTransitionCache get/add/key and LiteralParser::tryConsumeStringEqualTo on CharacterType and adds a bounds-checked 16-bit SIMD path; an optimization extension of the JSON fast path, no existing OOB fixed.
This commit was flagged by the signal scorer and reviewed by AI (not a human). It is listed only so the triage is auditable; there is no root-cause analysis because this is not a vulnerability fix.
Structural signals: smartptr_member_added (+3.0), bounds_guard (+3.25), null_guard (+2.59), area:Source/JavaScriptCore/runtime (+2.5)
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