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8378138: G1: Assertion failure from G1CollectedHeap::block_start processing during error reporting

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Co-authored-by: Yasumasa Suenaga <ysuenaga@openjdk.org>
Reviewed-by: ysuenaga, iwalulya
This commit is contained in:
Albert Mingkun Yang 2026-03-04 09:32:05 +00:00
parent f7918df733
commit 5ab9ddf5e2
1 changed files with 6 additions and 0 deletions
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6
src/hotspot/share/gc/g1/g1HeapRegion.inline.hpp
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@ -42,6 +42,11 @@
#include "utilities/globalDefinitions.hpp"
inline HeapWord* G1HeapRegion::block_start(const void* addr) const {
if (is_young()) {
// We are here because of BlockLocationPrinter.
// Can be invoked in any context, so this region might not be parsable.
return nullptr;
}
return block_start(addr, parsable_bottom_acquire());
}
@ -64,6 +69,7 @@ inline HeapWord* G1HeapRegion::advance_to_block_containing_addr(const void* addr
inline HeapWord* G1HeapRegion::block_start(const void* addr, HeapWord* const pb) const {
assert(addr >= bottom() && addr < top(), "invalid address");
assert(!is_young(), "Only non-young regions have BOT");
HeapWord* first_block = _bot->block_start_reaching_into_card(addr);
return advance_to_block_containing_addr(addr, pb, first_block);
}