bug-2077761.js - mozsearch

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if (!this.enqueueMark) {

  quit(0);

gczeal(0);

gcparam("incrementalWeakMapMarkingEnabled", 0);

const destination = newGlobal({newCompartment: true});

let pair = transplantableObject();

let key = wrapWithProto(pair.object, null);

let map = new WeakMap([[key, {}]]);

const holder = new WeakMap([[pair, true]]);

gc();

enqueueMark("set-color-gray");

enqueueMark(map);

enqueueMark("trace-deferred");

enqueueMark("unset-color");

enqueueMark("yield");

map = key = pair = null;

gczeal("YieldWhileGrayMarking", 1000000);

schedulezone(globalThis);

startgc(1);

while (gcstate() !== "NotActive" && currentgc().queuePos < 5) {

  gcslice(100, {dontStart: true});

nondeterministicGetWeakMapKeys(holder)[0].transplant(destination);

finishgc();