In test we have class A
0 | class A
0 | class B (primary base)
0 | (B vftable pointer)
4 | int b_field
8 | int a_field
12 | char one
sizeof=16, dsize=16, align=4
nvsize=16, nvalign=4
%class.A = type { %class.B, i32, i8 }
Can I expect that LLVM add 3 bytes padding at the end?