diff options
Diffstat (limited to 'iseq.c')
-rw-r--r-- | iseq.c | 11 |
1 files changed, 8 insertions, 3 deletions
@@ -660,9 +660,14 @@ insn_operand_intern(rb_iseq_t *iseq, case TS_ID: /* ID (symbol) */ op = ID2SYM(op); case TS_VALUE: /* VALUE */ - ret = rb_inspect(op); - if (CLASS_OF(op) == rb_cISeq) { - rb_ary_push(child, op); + if (op == Qundef) { + ret = rb_str_new2("undef"); + } + else { + ret = rb_inspect(op); + if (CLASS_OF(op) == rb_cISeq) { + rb_ary_push(child, op); + } } break; |