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Update method tables only if there is a class ext pointer

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This makes reference updating look similar to marking, and may avoid
dereferencing a wrong pointer.
This commit is contained in:
Aaron Patterson 2019-12-11 10:12:14 -08:00
parent cae657c324
commit 0f90630983
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GPG key ID: 953170BCB4FFAFC6
1 changed files with 2 additions and 4 deletions
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6
gc.c
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@ -8179,14 +8179,12 @@ gc_update_object_references(rb_objspace_t *objspace, VALUE obj)
switch (BUILTIN_TYPE(obj)) {
case T_CLASS:
case T_MODULE:
update_m_tbl(objspace, RCLASS_M_TBL(obj));
if (RCLASS_SUPER((VALUE)obj)) {
UPDATE_IF_MOVED(objspace, RCLASS(obj)->super);
}
if (!RCLASS_EXT(obj)) break;
if (RCLASS_IV_TBL(obj)) {
gc_update_tbl_refs(objspace, RCLASS_IV_TBL(obj));
}
update_m_tbl(objspace, RCLASS_M_TBL(obj));
gc_update_tbl_refs(objspace, RCLASS_IV_TBL(obj));
update_class_ext(objspace, RCLASS_EXT(obj));
update_const_tbl(objspace, RCLASS_CONST_TBL(obj));
break;