test/randtest.c:40: error: UNINITIALIZED_VALUE
  The value read from n2[_] was never initialized.
Showing all 1 steps of the trace


test/randtest.c:40:9: 
38.           j = buf[i];
39.   
40. >         n2[j & 0x0f]++;
41.           n2[(j >> 4) & 0x0f]++;
42.   
