srclib/pcre/pcre.c:2935: error: UNINITIALIZED_VALUE
  The value read from brastack[_] was never initialized.

srclib/pcre/pcre.c:2935:9: 
2933.       if (brastackptr > 0)
2934.         {
2935.         duplength = length - brastack[--brastackptr];
              ^
2936.         branch_extra = bralenstack[brastackptr];
2937.         }
