ALLOC_PAP arity n -> instr3 st bci_ALLOC_PAP arity n
MKAP off sz -> instr3 st bci_MKAP off sz
MKPAP off sz -> instr3 st bci_MKPAP off sz
ALLOC_PAP arity n -> instr3 st bci_ALLOC_PAP arity n
MKAP off sz -> instr3 st bci_MKAP off sz
MKPAP off sz -> instr3 st bci_MKPAP off sz