[flow] fixes the bug I was long hunting for. now optimizations work more reliable
[flow] fixes the bug I was long hunting for. now optimizations work more reliable

xzero/x0,xzero/x0,christianparpart/x0,christianparpart/x0,xzero/x0,xzero/x0,xzero/x0,christianparpart/x0,christianparpart/x0,christianparpart/x0,xzero/x0,christianparpart/x0,christianparpart/x0