Coverity catch.
p4raw-id: //depot/perl@27724
const char * const func =
op == OP_READLINE ? "readline" : /* "<HANDLE>" not nice */
op == OP_LEAVEWRITE ? "write" : /* "write exit" not nice */
+ op < 0 ? "" : /* handle phoney cases */
PL_op_desc[op];
const char * const pars = OP_IS_FILETEST(op) ? "" : "()";
const char * const type = OP_IS_SOCKET(op)