blead will not compile on certain configurations

scope.c: In function ‘void Perl_leave_scope(PerlInterpreter*, I32)’:
  scope.c:1123:7: error: jump to case label [-fpermissive]
    case SAVEt_CLEARSV:
         ^
  scope.c:1120:11: note:   crosses initialization of ‘SV** svp’
        SV **svp = &PL_curpad[uv >>
             ^
  scope.c:1119:17: note:   crosses initialization of ‘I32 i’
               I32 i = (I32)((uv >> SAVE_TIGHT_SHIFT) & 
OPpPADRANGE_COUNTMASK);

• blead will not compile on certain configurations by Karl Williamson