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compile.c: Fix segfault when VM_INSN_INFO_TABLE_IMPL is not 2

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* compile.c (ibf_dump_iseq_each): Fix a range of a conditional.
  `positions` is only used when VM_INSN_INFO_TABLE_IMPL is 2.
  And always `dump_body` is expected to be initialized by
  `iseq->body`. For example, `dump_body->insns_info.size` is
  used in `ibf_dump_insns_info_positions`.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63413 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
yui-knk 2018-05-13 12:31:38 +00:00
parent 83be2ce40f
commit 8b88f70a84
1 changed files with 2 additions and 2 deletions
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4
compile.c
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@ -8900,10 +8900,10 @@ static ibf_offset_t
ibf_dump_iseq_each(struct ibf_dump *dump, const rb_iseq_t *iseq)
{
struct rb_iseq_constant_body dump_body;
unsigned int *positions;
#if VM_INSN_INFO_TABLE_IMPL == 2
dump_body = *iseq->body;
unsigned int *positions;
#endif
dump_body = *iseq->body;
dump_body.location.pathobj = ibf_dump_object(dump, dump_body.location.pathobj); /* TODO: freeze */
dump_body.location.base_label = ibf_dump_object(dump, dump_body.location.base_label);