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Skip updating max_iv_count when the namespace cannot be determined

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Satoshi Tagomori 2025-05-11 00:39:53 +09:00
parent c2c5b05423
commit bbcc3782b1
1 changed files with 8 additions and 3 deletions
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11
gc.c
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@ -3192,9 +3192,14 @@ rb_gc_mark_children(void *objspace, VALUE obj)
if (fields_count) {
VALUE klass = RBASIC_CLASS(obj);
// Increment max_iv_count if applicable, used to determine size pool allocation
if (RCLASS_MAX_IV_COUNT(klass) < fields_count) {
RCLASS_WRITE_MAX_IV_COUNT(klass, fields_count);
// Skip updating max_iv_count if the prime classext is not writable
// because GC context doesn't provide information about namespaces.
if (RCLASS_PRIME_CLASSEXT_WRITABLE_P(klass)) {
VM_ASSERT(rb_shape_obj_too_complex_p(klass));
// Increment max_iv_count if applicable, used to determine size pool allocation
if (RCLASS_MAX_IV_COUNT(klass) < fields_count) {
RCLASS_SET_MAX_IV_COUNT(klass, fields_count);
}
}
}