Function grow

deps/v8/test/mjsunit/wasm/import-memory.js:192–192

(pages)

  builder.addImportedMemory("cat", "mine");
  let instance = builder.instantiate({cat: {mine: memory}});
  function grow(pages) { return instance.exports.grow(pages); }
  assertEquals(2, grow(3));
  assertEquals(5*kPageSize, memory.buffer.byteLength);
  assertEquals(5, grow(5));