Use sized delete optionally, `#if __cpp_sized_deallocation || __GXX_DELETE_WITH_SIZE__`.
Use sized delete optionally,
`#if __cpp_sized_deallocation || __GXX_DELETE_WITH_SIZE__`.

Even in C++14 it might not be available, possibly due to ABI
constraints: https://reviews.llvm.org/D8467
PiperOrigin-RevId: 313192052

google/riegeli,google/riegeli,google/riegeli,google/riegeli