Fix stack operations in parser
Fix stack operations in parser

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