Fold the opt size check into the assert to silence an unused variable warning.

                             "indirect-tls-seg-refs");

      // OptFor[Min]Size are used in pattern predicates that isel is matching.

      bool OptForSize = MF.getFunction().hasOptSize();

      OptForMinSize = MF.getFunction().hasMinSize();

      assert((!OptForMinSize || OptForSize) &&

      assert((!OptForMinSize || MF.getFunction().hasOptSize()) &&

             "OptForMinSize implies OptForSize");

      SelectionDAGISel::runOnMachineFunction(MF);