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8295402: G1: Tighten assertion in G1ScanHRForRegionClosure::scan_heap_roots

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Reviewed-by: tschatzl, iwalulya
This commit is contained in:
Albert Mingkun Yang 2022-10-26 09:25:40 +00:00
parent 303548babc
commit 33ff80dd7a
1 changed files with 6 additions and 1 deletions

7
src/hotspot/share/gc/g1/g1RemSet.cpp

@ -705,7 +705,12 @@ class G1ScanHRForRegionClosure : public HeapRegionClosure {
size_t first_scan_idx = scan.find_next_dirty();
while (first_scan_idx != claim.size()) {
assert(*_ct->byte_for_index(region_card_base_idx + first_scan_idx) <= 0x1, "is %d at region %u idx " SIZE_FORMAT, *_ct->byte_for_index(region_card_base_idx + first_scan_idx), region_idx, first_scan_idx);
#ifdef ASSERT
{
CardTable::CardValue value = *_ct->byte_for_index(region_card_base_idx + first_scan_idx);
assert(value == CardTable::dirty_card_val(), "is %d at region %u idx " SIZE_FORMAT, value, region_idx, first_scan_idx);
}
#endif
size_t const last_scan_idx = scan.find_next_non_dirty();
size_t const len = last_scan_idx - first_scan_idx;