{}
;
{
    1
}
;
{
    {}
}
;
{
    {
        1
    }
}
;
{
    1;
    {
        2
    }
    3
}
4;
{
    label:
    1
}
;

label1:
label2:
true;

label:
for (;;)
    continue;
label:
for (;;) {
    continue;
}

label:
while (1)
    continue;
label:
while (1) {
    continue;
}

label:
for (;;)
    break;
label:
for (;;) {
    break;
}

label:
while (1)
    break;
label:
while (1) {
    break;
}

label:
for (;;)
    continue label;
label:
for (;;) {
    continue label;
}

label:
while (1)
    continue label;
label:
while (1) {
    continue label;
}

label:
for (;;)
    break label;
label:
for (;;) {
    break label;
}

label:
while (1)
    break label;
label:
while (1) {
    break label;
}

outer:
while (true) {
    if (false)
        continue;
    if (true)
        continue outer;
    break;
}