Refactoring 'call_n' opcode handler so that it looks for meta 'this_arg' at start of argument list.
Refactoring 'call_n' opcode handler so that it looks for meta 'this_arg' at start of argument list.

yichoi/jerryscript,glistening/jerryscript,robertsipka/jerryscript,zherczeg/jerryscript,jerryscript-project/jerryscript,LeeHayun/jerryscript,glistening/jerryscript,gabrielschulhof/jerryscript,robertsipka/jerryscript,bzsolt/jerryscript,jack60504/jerryscript,bsdelf/jerryscript,akosthekiss/jerryscript,loki04/jerryscript,grgustaf/jerryscript,bzsolt/jerryscript,LeeHayun/jerryscript,slaff/jerryscript,bsdelf/jerryscript,gabrielschulhof/jerryscript,akosthekiss/jerryscript,tilmannOSG/jerryscript,martijnthe/jerryscript,glistening/jerryscript,robertsipka/jerryscript,zherczeg/jerryscript,jack60504/jerryscript,loki04/jerryscript,dbatyai/jerryscript,akosthekiss/jerryscript,grgustaf/jerryscript,grgustaf/jerryscript,bsdelf/jerryscript,jerryscript-project/jerryscript,robertsipka/jerryscript,dbatyai/jerryscript,zherczeg/jerryscript,yichoi/jerryscript,jerryscript-project/jerryscript,bsdelf/jerryscript,glistening/jerryscript,slaff/jerryscript,martijnthe/jerryscript,yichoi/jerryscript,robertsipka/jerryscript,glistening/jerryscript,bzsolt/jerryscript,glistening/jerryscript,tilmannOSG/jerryscript,bsdelf/jerryscript,grgustaf/jerryscript,slaff/jerryscript,LeeHayun/jerryscript,LaszloLango/jerryscript,grgustaf/jerryscript,martijnthe/jerryscript,gabrielschulhof/jerryscript,bzsolt/jerryscript,bzsolt/jerryscript,jack60504/jerryscript,slaff/jerryscript,dbatyai/jerryscript,grgustaf/jerryscript,LeeHayun/jerryscript,akosthekiss/jerryscript,yichoi/jerryscript,loki04/jerryscript,loki04/jerryscript,LaszloLango/jerryscript,LaszloLango/jerryscript,yichoi/jerryscript,LeeHayun/jerryscript,zherczeg/jerryscript,jack60504/jerryscript,bsdelf/jerryscript,robertsipka/jerryscript,jerryscript-project/jerryscript,jack60504/jerryscript,gabrielschulhof/jerryscript,tilmannOSG/jerryscript,martijnthe/jerryscript,loki04/jerryscript,tilmannOSG/jerryscript,dbatyai/jerryscript,loki04/jerryscript,jack60504/jerryscript,martijnthe/jerryscript,slaff/jerryscript,LaszloLango/jerryscript,tilmannOSG/jerryscript,jerryscript-project/jerryscript,zherczeg/jerryscript,martijnthe/jerryscript,gabrielschulhof/jerryscript,LaszloLango/jerryscript,dbatyai/jerryscript,akosthekiss/jerryscript