
void deref() {
  int3 a = (int(0)).xxx;
  a[0u] = (a.x + int(42));
}

void no_deref() {
  int3 a = (int(0)).xxx;
  a[0u] = (a.x + int(42));
}

[numthreads(1, 1, 1)]
void main() {
  deref();
  no_deref();
}