srclib/pcre/pcre.c:5344: error: UNINITIALIZED_VALUE
  The value read from brastack[_] was never initialized.

srclib/pcre/pcre.c:5344:7: 
5342.     if (brastackptr > 0)
5343.       {
5344.       duplength = length - brastack[--brastackptr];
            ^
5345.       branch_extra = bralenstack[brastackptr];
5346.       }
