src/third_party/mozjs-45/js/src/jit-test/tests/ion/bug1106171-sink.js

// |jit-test| --ion-sink=on
// Sink Algorithm should not move instruction into merge blocks
// which have no corresponding pc.

setJitCompilerOption("ion.warmup.trigger", 30);

var o = {
  a : 40,
  b : true
};

function f(a, b) {
    do {
        if (a == 0)
          return;
        a--;
    } while (true || this ? o.a-- : true);
}
f(200000, 0);