legion: Fix a minor bug that incorrectly overwrites the fence event
legion: Fix a minor bug that incorrectly overwrites the fence event

StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion