src/third_party/mozjs-45/js/src/jit-test/tests/auto-regress/bug589093.js

// Binary: cache/js-dbg-32-b22e82ce2364-linux
// Flags: -j
//
x = (w for (x in []))
for (w in [0, 0, 0, 0]) {
    (function() {
        [c for (z in x)]
    })()
}