static void testLeak(size_t alloc_size) {
RuntimeOption::EvalGCTriggerPct = 0.50;
RuntimeOption::EvalGCMinTrigger = 4 << 20;
tl_heap->collect("testLeak");
tl_heap->setGCEnabled(true);
clearSurpriseFlag(MemExceededFlag);
tl_heap->setMemoryLimit(100 << 20);
auto const target_alloc = int64_t{5} << 30;
auto const vec_cap = (alloc_size - sizeof(ArrayData)) / sizeof(TypedValue);
auto const vec = [vec_cap] {
VecArrayInit vec{vec_cap};
for (int j = 0; j < vec_cap; ++j) {
vec.append(make_tv<KindOfNull>());
}
return vec.toArray();
}();
auto const start_alloc = tl_heap->getStatsRaw().mmAllocated();
for (int64_t i = 0; ; ++i) {
auto vec_copy = vec;
vec_copy.set(0, make_tv<KindOfInt64>(i));
vec_copy.detach();
if (tl_heap->getStatsRaw().mmAllocated() - start_alloc > target_alloc) {
break;
}
if (UNLIKELY(checkSurpriseFlags())) handle_request_surprise();
}
}
void check_request_surprise_unlikely() {
if (UNLIKELY(checkSurpriseFlags())) check_request_surprise();
}