bugfix : InstructionList uses pop method to remove the last instruction
bugfix : InstructionList uses pop method to remove the last instruction

abhishek4747/Tejas-git,abhishek4747/Tejas-git,abhishek4747/Tejas-git,abhishek4747/Tejas-git,abhishek4747/Tejas-git,abhishek4747/Tejas-git