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| author | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2020-08-17 22:57:40 +0900 |
|---|---|---|
| committer | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2020-08-17 22:57:40 +0900 |
| commit | b52a501ca786a54fdaadf1a60fef517c55dd6ca3 (patch) | |
| tree | 83a9d5e70f9f52f4c03fbda2f00ce286b0ee2603 /variable.c | |
| parent | 27f7b047e07ceb9ee963e5d74ab0399b5e94ac4c (diff) | |
| download | ruby-b52a501ca786a54fdaadf1a60fef517c55dd6ca3.tar.gz | |
Ensure the shortcut cached in the class
As well as the other places using RCLASS_IV_INDEX_TBL.
`IO#reopen` seems the only case that the class of an object can be
changed.
Diffstat (limited to 'variable.c')
| -rw-r--r-- | variable.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/variable.c b/variable.c index 56340820f3..4f66ad3e7f 100644 --- a/variable.c +++ b/variable.c @@ -885,7 +885,7 @@ generic_ivar_delete(VALUE obj, ID id, VALUE undef) st_table *iv_index_tbl = RCLASS_IV_INDEX_TBL(rb_obj_class(obj)); st_data_t index; - if (st_lookup(iv_index_tbl, (st_data_t)id, &index)) { + if (iv_index_tbl && st_lookup(iv_index_tbl, (st_data_t)id, &index)) { if (index < ivtbl->numiv) { VALUE ret = ivtbl->ivptr[index]; @@ -906,7 +906,7 @@ generic_ivar_get(VALUE obj, ID id, VALUE undef) st_table *iv_index_tbl = RCLASS_IV_INDEX_TBL(rb_obj_class(obj)); st_data_t index; - if (st_lookup(iv_index_tbl, (st_data_t)id, &index)) { + if (iv_index_tbl && st_lookup(iv_index_tbl, (st_data_t)id, &index)) { if (index < ivtbl->numiv) { VALUE ret = ivtbl->ivptr[index]; |