michalursa commented on a change in pull request #11335:
URL: https://github.com/apache/arrow/pull/11335#discussion_r724524942
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File path: cpp/src/arrow/compute/exec/util.h
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@@ -93,19 +93,27 @@ class TempVectorStack {
}
void alloc(uint32_t num_bytes, uint8_t** data, int* id) {
int64_t old_top = top_;
- top_ += PaddedAllocationSize(num_bytes);
+ top_ += PaddedAllocationSize(num_bytes) + 2 * sizeof(uint64_t);
// Stack overflow check
ARROW_DCHECK(top_ <= buffer_size_);
- *data = buffer_->mutable_data() + old_top;
+ *data = buffer_->mutable_data() + old_top + sizeof(uint64_t);
Review comment:
changed
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