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Chris Tate
4610fe32be
SharedArrayBuffer, DataView, BigInt64Array, BigUint64Array and Proxy read
as values are interned constructor values with Node's name and length.
Calling one throws Node's TypeError "Constructor X requires 'new'".
instanceof through a stored value answers as Node does: SharedArrayBuffer
and DataView test the value's kind, BigInt64Array and BigUint64Array answer
false (neither is constructed), and Proxy answers false for a primitive and
throws Node's TypeError for an object.
Intl read as a value is a namespace object with Node's 12 members in
Node's order. Its members are function values that throw the SC1090 fence
when called; direct calls such as new Intl.NumberFormat("en-US") keep
their lowerings.
TypeScript sources read the same values into any and unknown slots, so
the diagnostics program uses Atomics for a builtin without a value.