Function Pad

deps/v8/test/mjsunit/wasm/memory-resizable-buffer-array-slice.js:14–18

(a, v, start, ctor, pages)

const kPageSize = 0x10000;

function Pad(a, v, start, ctor, pages) {
  for (let i = start; i < (pages * kPageSize) / ctor.BYTES_PER_ELEMENT; ++i) {
    a.push(v);
  }
}

function ZeroPad(a, start, ctor, pages) {
  Pad(a, 0, start, ctor, pages);