Currently new ArrayBuffer(length) does not conform to ES2017.
Major JS implementations follow ES2017 for ArrayBuffer(length).
For example, new ArrayBuffer(length) should not throw RangeError
for length = NaN, undefined, negative number, floating point, and so on.
JerryScript-DCO-1.0-Signed-off-by: Sanggyu Lee sg5.lee@samsung.com