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Create succ_index_table as a part of iseq_setup

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With compiling `CPDEBUG >= 2`, `rb_iseq_disasm` segfaults if this
table has not been created.  Also `ibf_load_iseq_each` calls
`rb_iseq_insns_info_encode_positions`.
This commit is contained in:
Nobuyoshi Nakada 2020-04-15 12:57:14 +09:00
parent a9567cc2bf
commit 69b3e0ac59
Notes: git 2020-04-15 16:07:12 +09:00 
Merged: https://github.com/ruby/ruby/pull/3033
2 changed files with 8 additions and 7 deletions
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7
compile.c
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@ -1423,6 +1423,13 @@ iseq_setup(rb_iseq_t *iseq, LINK_ANCHOR *const anchor)
debugs("[compile step 6 (update_catch_except_flags)] \n");
update_catch_except_flags(iseq->body);
#if VM_INSN_INFO_TABLE_IMPL == 2
if (iseq->body->insns_info.succ_index_table == NULL) {
debugs("[compile step 7 (rb_iseq_insns_info_encode_positions)] \n");
rb_iseq_insns_info_encode_positions(iseq);
}
#endif
if (compile_debug > 1) {
VALUE str = rb_iseq_disasm(iseq);
printf("%s\n", StringValueCStr(str));

8
iseq.c
View file

@ -615,6 +615,7 @@ void
rb_iseq_insns_info_encode_positions(const rb_iseq_t *iseq)
{
#if VM_INSN_INFO_TABLE_IMPL == 2
/* create succ_index_table */
struct rb_iseq_constant_body *const body = iseq->body;
int size = body->insns_info.size;
int max_pos = body->iseq_size;
@ -657,13 +658,6 @@ finish_iseq_build(rb_iseq_t *iseq)
ISEQ_COMPILE_DATA_CLEAR(iseq);
compile_data_free(data);
#if VM_INSN_INFO_TABLE_IMPL == 2 /* succinct bitvector */
/* create succ_index_table */
if (body->insns_info.succ_index_table == NULL) {
rb_iseq_insns_info_encode_positions(iseq);
}
#endif
#if VM_CHECK_MODE > 0 && VM_INSN_INFO_TABLE_IMPL > 0
validate_get_insn_info(iseq);
#endif