always set optarg in getopt_long

[musl] / src / internal / or1k / syscall.s

.global __syscall
.type   __syscall,@function
__syscall:
        l.ori   r11, r3, 0
        l.lwz   r3, 0(r1)
        l.lwz   r4, 4(r1)
        l.lwz   r5, 8(r1)
        l.lwz   r6, 12(r1)
        l.lwz   r7, 16(r1)
        l.lwz   r8, 20(r1)
        l.sys   1
        l.jr    r9
         l.nop