Emitter: When doing obj_assign fix, use the ARG, not the AST.
Emitter: When doing obj_assign fix, use the ARG, not the AST.

Otherwise, the call is taken as the value, instead of the value given. Totally
wrong!

FascinatedBox/lily,jesserayadkins/lily,jesserayadkins/lily,FascinatedBox/lily,jesserayadkins/lily,FascinatedBox/lily,FascinatedBox/lily