gczeal(0);
const {object, transplant} = transplantableObject();
const holder = newGlobal({newCompartment: true});
const destination = newGlobal({newCompartment: true});
holder.target = object;
holder.eval('grayRoot().push(target); target = undefined;');
gc();
schedulezone(destination);
startgc(1);
while (gcstate() === 'Prepare' || gcstate() === 'MarkRoots') gcslice(1);
transplant(destination);
finishgc();