Add some asserts to check heap structure consistency
Add some asserts to check heap structure consistency

JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu

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