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8057910: G1: BOT verification should not pass top

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Reviewed-by: stefank, tschatzl
This commit is contained in:
Bengt Rutisson 2014-09-09 14:27:10 +02:00
parent ff1498ba6b
commit c9d4b7a93c
1 changed files with 2 additions and 1 deletions
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3
hotspot/src/share/vm/gc_implementation/g1/g1BlockOffsetTable.cpp
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@ -370,8 +370,9 @@ void G1BlockOffsetArray::alloc_block_work2(HeapWord** threshold_, size_t* index_
} }
void G1BlockOffsetArray::verify() const { void G1BlockOffsetArray::verify() const {
assert(gsp()->bottom() < gsp()->top(), "Only non-empty regions should be verified.");
size_t start_card = _array->index_for(gsp()->bottom()); size_t start_card = _array->index_for(gsp()->bottom());
size_t end_card = _array->index_for(gsp()->top()); size_t end_card = _array->index_for(gsp()->top() - 1);
for (size_t current_card = start_card; current_card < end_card; current_card++) { for (size_t current_card = start_card; current_card < end_card; current_card++) {
u_char entry = _array->offset_array(current_card); u_char entry = _array->offset_array(current_card);