bug-2061775.js - mozsearch

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gczeal(0);

let W = newGlobal({newCompartment: true});

W.eval(`var wm = new WeakMap; var key = {};`);

var wm2 = new WeakMap;

let idx = -1;

function setup() {

  let sym = Symbol('s');

  idx = getAtomMarkIndex(sym);

  W.sym = sym;

  W.eval(`wm.set(key, sym); sym = null;`);

  let O = {victim: true};

  wm2.set(sym, O);

  addMarkObservers([sym, O]);

  O = null;

  sym = null;

setup();

function clobber(n) {

  if (n <= 0) return 1;

  let a = [n, n + 1, n + 2, {}, {}, {}];

  return clobber(n - 1) + a.length;

clobber(500);

W.eval(`grayRoot().push(key); key = null;`);

gc();

gc();

W.eval(`key = grayRoot()[0];`);

gc();

let marks = getMarks();

assertEq(marks[0] == "black" && getAtomMarkColor(W, idx) == "gray", false);

schedulezone(this);

schedulezone('atoms');

gc('zone');

marks = getMarks();

assertEq(marks[0] == "gray" && marks[1] == "gray", false);