message: Add const to copy() src
diff: @@ -272,11 +272,13 @@ inline void copy(void* dst, const void* src, std::size_t numbytes) noexcept
  if (rm.hasAllocator(const_cast<void *>(src)))
  {
  - srcStrategy = rm.findAllocationRecord(const_cast<void *>(src))->strategy;
  + srcRecord = const_cast<AllocationRecord*>(rm.findAllocationRecord(
  + const_cast<void *>(src)));
  + srcStrategy = srcRecord->strategy;
  }
  auto op = op_registry.find("COPY", srcStrategy, dstStrategy);
  - op->transform(const_cast<void *>(src), &dst, nullptr, nullptr, numbytes);
  + op->transform(const_cast<void *>(src), &dst, srcRecord, dstRecord, numbytes);
  #else
  std::memcpy(dst, src, numbytes);
  #endif
  