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xo-gc stack: fix mutation setup + xo-reader2 utest

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This commit is contained in:
Roland Conybeare 2026-05-07 23:44:32 -04:00
commit b64940fa0a
24 changed files with 478 additions and 48 deletions
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11
xo-gc/src/gc/GCObjectStore.cpp
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@ -705,7 +705,7 @@ namespace xo {
void
GCObjectStore::_verify_aux(AGCObject * iface, void * data)
{
scope log(XO_DEBUG(config_.debug_flag_));
scope log(XO_DEBUG(false));
(void)iface;
@ -719,6 +719,7 @@ namespace xo {
if (!g2.is_sentinel()) {
// verify failure - live pointer still refers to from-space
log.retroactively_enable();
print_backtrace_dwarf(true /*demangle*/);
++(p_verify_stats_->n_from_);
@ -1020,13 +1021,17 @@ namespace xo {
AGCObject * iface,
void * from_src)
{
scope log(XO_DEBUG(config_.debug_flag_));
scope log(XO_DEBUG(config_.debug_flag_),
xtag("iface", iface),
xtag("from_src", from_src));
assert(!iface->_has_null_vptr());
AllocInfo info = this->alloc_info((std::byte *)from_src);
void * to_dest = iface->gco_shallow_move(from_src, gc);
log && log(xtag("from_src", from_src), xtag("to_dest", to_dest));
log && log(xtag("to_dest", to_dest));
log && log(xtag("tseq", info.tseq()),
xtag("tname", TypeRegistry::id2name(typeseq(info.tseq()))),
xtag("age", info.age()),