ref: 81fbf1e91adceadae1bafa06682a7f47ca28fce2
dir: /tests/cc/execute/0095-arrayselector.c/
int a[] = {5, [2] = 2, 3}; int main() { if (sizeof(a) != 4*sizeof(int)) return 1; if (a[0] != 5) return 2; if (a[1] != 0) return 3; if (a[2] != 2) return 4; if (a[3] != 3) return 5; return 0; }