struct attribute packed breaks a deserialization

I have struct

struct __attribute__((packed)) my_struct

I want to make deserialization for my struct using QDataStream, but

error: cannot bind packed field ‘obj.my_struct::a’ to ‘quint32&’ {aka ‘unsigned int&’}

error is because of

__attribute__((packed))

I ask Qt to add mechanism to deserialize struct even if it is packet. If you will reject then I ask to make error msg more user-friendly...

This is my example