Add pretest for memcpy
Add pretest for memcpy

f-prettyland/angr,angr/angr,schieb/angr,angr/angr,chubbymaggie/angr,chubbymaggie/angr,schieb/angr,angr/angr,schieb/angr,tyb0807/angr,iamahuman/angr,tyb0807/angr,axt/angr,f-prettyland/angr,f-prettyland/angr,chubbymaggie/angr,iamahuman/angr,axt/angr,iamahuman/angr,tyb0807/angr,axt/angr