srclib/pcre/pcre.c:2936: error: UNINITIALIZED_VALUE
  The value read from bralenstack[_] was never initialized.

srclib/pcre/pcre.c:2936:9: 
2934.         {
2935.         duplength = length - brastack[--brastackptr];
2936.         branch_extra = bralenstack[brastackptr];
              ^
2937.         }
2938.       else duplength = 0;
