btree warning

btree.txt

akupczyk@o08 build-rel]$ ninja ceph_test_objectstore
[1/3] Building CXX object src/os/CMakeFiles/os.dir/bluestore/BlueStore.cc.o
In file included from ../src/include/cpp-btree/btree_set.h:49,
                 from ../src/os/bluestore/BlueStore.cc:28:
../src/include/cpp-btree/btree.h: In member function ‘btree::internal::btree<Params>::iterator btree::internal::btree<Params>::internal_emplace(btree::internal::btree<Params>::iterator, Args&& ...) [with Args = {const long unsigned int&}; Params = btree::internal::set_params<long unsigned int, std::less<long unsigned int>, mempool::pool_allocator<mempool::mempool_bluestore_fsck, long unsigned int>, 256, false>]’:
../src/include/cpp-btree/btree.h:515:84: warning: array subscript 32 is outside array bounds of ‘btree::internal::AlignedAlloc<8, mempool::pool_allocator<mempool::mempool_bluestore_fsck, long unsigned int> >::M [32]’ [-Warray-bounds]
  515 |   btree_node*& mutable_child(int i) { return GetField<&internal_fields::children>()[i]; }
      |                                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
In file included from ../src/os/bluestore/BlueStore.h:41,
                 from ../src/os/bluestore/BlueStore.cc:30:
../src/include/mempool.h:348:33: note: referencing an object of size between 32 and 256 allocated by ‘void* operator new [](std::size_t)’
  348 |     T* r = reinterpret_cast<T*>(new char[total]);
      |                                 ^~~~~~~~~~~~~~~
In file included from ../src/include/cpp-btree/btree_set.h:49,
                 from ../src/os/bluestore/BlueStore.cc:28:
../src/include/cpp-btree/btree.h:515:84: warning: array subscript 32 is outside array bounds of ‘btree::internal::AlignedAlloc<8, mempool::pool_allocator<mempool::mempool_bluestore_fsck, long unsigned int> >::M [32]’ [-Warray-bounds]
  515 |   btree_node*& mutable_child(int i) { return GetField<&internal_fields::children>()[i]; }
      |                                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
In file included from ../src/os/bluestore/BlueStore.h:41,
                 from ../src/os/bluestore/BlueStore.cc:30:
../src/include/mempool.h:348:33: note: referencing an object of size between 32 and 256 allocated by ‘void* operator new [](std::size_t)’
  348 |     T* r = reinterpret_cast<T*>(new char[total]);
      |                                 ^~~~~~~~~~~~~~~
In file included from ../src/include/cpp-btree/btree_set.h:49,
                 from ../src/os/bluestore/BlueStore.cc:28:
../src/include/cpp-btree/btree.h:522:22: warning: array subscript 32 is outside array bounds of ‘btree::internal::AlignedAlloc<8, mempool::pool_allocator<mempool::mempool_bluestore_fsck, long unsigned int> >::M [32]’ [-Warray-bounds]
  522 |     mutable_child(i) = c;
      |     ~~~~~~~~~~~~~~~~~^~~
In file included from ../src/os/bluestore/BlueStore.h:41,
                 from ../src/os/bluestore/BlueStore.cc:30:
../src/include/mempool.h:348:33: note: referencing an object of size between 32 and 256 allocated by ‘void* operator new [](std::size_t)’
  348 |     T* r = reinterpret_cast<T*>(new char[total]);
      |                                 ^~~~~~~~~~~~~~~
In file included from ../src/include/cpp-btree/btree_set.h:49,
                 from ../src/os/bluestore/BlueStore.cc:28:
../src/include/cpp-btree/btree.h:514:83: warning: array subscript 32 is outside array bounds of ‘btree::internal::AlignedAlloc<8, mempool::pool_allocator<mempool::mempool_bluestore_fsck, long unsigned int> >::M [32]’ [-Warray-bounds]
  514 |   btree_node* child(int i) const { return GetField<&internal_fields::children>()[i]; }
      |                                                                                   ^
In file included from ../src/os/bluestore/BlueStore.h:41,
                 from ../src/os/bluestore/BlueStore.cc:30:
../src/include/mempool.h:348:33: note: referencing an object of size between 32 and 256 allocated by ‘void* operator new [](std::size_t)’
  348 |     T* r = reinterpret_cast<T*>(new char[total]);
      |                                 ^~~~~~~~~~~~~~~
[3/3] Linking CXX executable bin/ceph_test_objectstore