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Claude / Claude Code Review
completed
Oct 1, 2026 in 47m 56s
Code review found 4 important issues
Found 28 candidates, confirmed 6. See review comments for details.
Details
| Severity | Count |
|---|---|
| 🔴 Important | 4 |
| 🟡 Nit | 1 |
| 🟣 Pre-existing | 1 |
| Severity | File:Line | Issue |
|---|---|---|
| 🔴 Important | Source/JavaScriptCore/runtime/JSObject.cpp:1218 |
An empty array whose "length" was made non-writable now silently grows on 'a[0] = v' or 'a.push(v)', where the base thro |
| 🔴 Important | Source/JavaScriptCore/runtime/StructureCreateInlines.h:48 |
Instances constructed with a frozen array as their direct prototype (Reflect.construct(Array, [], F) with F.prototype = |
| 🔴 Important | Source/JavaScriptCore/runtime/JSObject.cpp:3755 |
Builtins that must use CreateDataPropertyOrThrow silently overwrite elements of a sealed array instead of throwing, and |
| 🔴 Important | Source/JavaScriptCore/runtime/JSObjectInlines.h:1597 |
An extensible array whose "length" is read-only can be grown by CreateDataProperty callers (Array.from, flat, map via Sy |
| 🟡 Nit | Source/JavaScriptCore/runtime/JSObject.cpp:1248 |
Every array in a realm can be pushed onto the SlowPutArrayStorage slow path after a frozen array with no elements become |
| 🟣 Pre-existing | Source/JavaScriptCore/bytecode/ArrayAllocationProfile.cpp:70 |
Code that freezes arrays from a hot literal or 'new Array' site gets every later array from that site allocated as Array |
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