Fix ArrayBuffer immutable-method semantics#1538
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sliceToImmutable throws RangeError (not TypeError) when a resizable source shrinks below the resolved end during argument coercion; transferToImmutable coerces newLength before checking detachability so valueOf side effects are observed.
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bnoordhuis
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Jun 21, 2026
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sliceToImmutable throws RangeError (not TypeError) when a resizable source
shrinks below the resolved end during argument coercion; transferToImmutable
coerces newLength before checking detachability so valueOf side effects are observed.