src/core/ngx_sha1.c:269: error: Uninitialized Value
  The value read from words[_] was never initialized.

src/core/ngx_sha1.c:269:9: 
267.         STEP(F2, a, b, c, d, e, words[71], 0xca62c1d6);
268.         STEP(F2, a, b, c, d, e, words[72], 0xca62c1d6);
269.         STEP(F2, a, b, c, d, e, words[73], 0xca62c1d6);
             ^
270.         STEP(F2, a, b, c, d, e, words[74], 0xca62c1d6);
271.         STEP(F2, a, b, c, d, e, words[75], 0xca62c1d6);
