cmake: add -fno-strict-aliasing
cmake: add -fno-strict-aliasing

StanfordLegion/legion,chuckatkins/legion,chuckatkins/legion,chuckatkins/legion,sdalton1/legion,sdalton1/legion,chuckatkins/legion,sdalton1/legion,StanfordLegion/legion,sdalton1/legion,StanfordLegion/legion,StanfordLegion/legion,chuckatkins/legion,sdalton1/legion,chuckatkins/legion,StanfordLegion/legion,chuckatkins/legion,StanfordLegion/legion,sdalton1/legion,StanfordLegion/legion,StanfordLegion/legion