# prog10
    irmovq $1,%rax
    xorq %rsp,%rsp        # Set stack pointer to 0 and CC to 100
    pushq %rax            # Attempt to write to 0xfffffffffffffff8
    addq  %rax,%rax       # (Should not be executed) Would set CC to 000
    irmovq $2, %rax       # Not executed
    irmovq $3, %rax       # Not executed
