src/third_party/mozjs-45/js/src/jit-test/tests/gc/bug-821013.js

for each(let c in [
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, ({'0': 0})
]) {}