message: Add assertion for memory size being multiple of PageSize to memory_size
diff: @@ -879,6 +879,7 @@ ExecutionResult execute(Instance& instance, FuncIdx func_idx, const Value* args,
  }
  case Instr::memory_size:
  {
  + assert(memory->size() % PageSize == 0);
  stack.push(static_cast<uint32_t>(memory->size() / PageSize));
  break;
  }
  