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gc.c (obj_free): check if irep is NULL before mrb_irep_decref(); #6161

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Yukihiro "Matz" Matsumoto
2024-02-04 17:06:05 +09:00
parent 2f63b49542
commit f04a729dc9
1 changed files with 3 additions and 1 deletions
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src/gc.c
+3 -1
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@@ -827,7 +827,9 @@ obj_free(mrb_state *mrb, struct RBasic *obj, int end)
{
struct RBacktrace *bt = (struct RBacktrace*)obj;
for (size_t i = 0; i < bt->len; i++) {
mrb_irep_decref(mrb, (mrb_irep*)bt->locations[i].irep);
const mrb_irep *irep = bt->locations[i].irep;
if (irep == NULL) continue;
mrb_irep_decref(mrb, (mrb_irep*)irep);
}
mrb_free(mrb, bt->locations);
}