codegen: Guard array length access on simple assignment
codegen: Guard array length access on simple assignment

jessevdk/vala,Distrotech/vala,severinh/vala,flobrosch/vala-fixes,frida/vala,tjol/vala-tjol,jessevdk/vala,spidermonkdust/vala,kamanashisroy/aroop,rvu95/vala,playya/vala,severinh/vala,frida/vala,rvu95/vala,jessevdk/vala,Distrotech/vala,frida/vala,flobrosch/vala-fixes,flobrosch/vala-fixes,kamanashisroy/aroop,playya/vala,tjol/vala-tjol,Distrotech/vala,tjol/vala-tjol,GNOME/vala,frida/vala,playya/vala,spidermonkdust/vala,kamanashisroy/aroop,spidermonkdust/vala,GNOME/vala,severinh/vala,rvu95/vala,frida/vala,GNOME/vala,xdave/pvala,GNOME/vala