crypto/blake2/blake2s.c:153: error: UNINITIALIZED_VALUE
  The value read from m[_] was never initialized.
Showing all 1 steps of the trace


crypto/blake2/blake2s.c:153:5: 
151.       ROUND(0);
152.       ROUND(1);
153. >     ROUND(2);
154.       ROUND(3);
155.       ROUND(4);
