Before declaration of b1
constructing int id: 0
constructing int id: 1
constructing int id: 2
default construct A 0
constructing int id: 3
constructing int id: 4
constructing int id: 5
default construct A 1
begin construct B id: 0
assign b.a2
constructing int id: 6
constructing int id: 7
begin construct A id: 2
construct a.x
constructing int: 1001 id: 8
assign a.y
assigning int: 0 0 id: 6
end construct A
copy constructing int: 0 id: 9
copy constructing int: 0 id: 10
begin copy construct A id: 3
copy construct this.x
copy constructing int: 1001 id: 11
assign this.y
copy constructing int: 0 id: 12
destructing int: 0 id: 12
destructing int: 0 id: 12
end copy construct A
begin ?=? A id: 0
copy constructing int: 1001 id: 13
destructing int: 1001 id: 13
destructing int: 1001 id: 13
copy constructing int: 0 id: 14
destructing int: 0 id: 14
destructing int: 0 id: 14
copy constructing int: 0 id: 15
destructing int: 0 id: 15
destructing int: 0 id: 15
end ?=? A
copy constructing int: 0 id: 16
copy constructing int: 0 id: 17
begin copy construct A id: 4
copy construct this.x
copy constructing int: 1001 id: 18
assign this.y
copy constructing int: 0 id: 19
destructing int: 0 id: 19
destructing int: 0 id: 19
end copy construct A
destructing int: 0 id: 17
destructing int: 0 id: 19
destructing int: 1001 id: 18
destructing int: 0 id: 10
destructing int: 0 id: 12
destructing int: 1001 id: 11
construct b.a1
constructing int id: 20
constructing int id: 21
begin construct A id: 5
construct a.x
constructing int: 1000 id: 22
assign a.y
assigning int: 0 0 id: 20
end construct A
end construct B
destructing int: 0 id: 7
destructing int: 0 id: 6
destructing int: 1001 id: 8
Before declaration of b2
copy constructing int: 0 id: 23
copy constructing int: 0 id: 24
begin copy construct A id: 6
copy construct this.x
copy constructing int: 1000 id: 25
assign this.y
copy constructing int: 0 id: 26
destructing int: 0 id: 26
destructing int: 0 id: 26
end copy construct A
copy constructing int: 0 id: 27
copy constructing int: 0 id: 28
begin copy construct A id: 7
copy construct this.x
copy constructing int: 1001 id: 29
assign this.y
copy constructing int: 0 id: 30
destructing int: 0 id: 30
destructing int: 0 id: 30
end copy construct A
copy constructing int: 0 id: 31
copy constructing int: 0 id: 32
begin copy construct A id: 8
copy construct this.x
copy constructing int: 0 id: 33
assign this.y
copy constructing int: 0 id: 34
destructing int: 0 id: 34
destructing int: 0 id: 34
end copy construct A
End of main
begin destruct B id: 1
constructing int id: 35
constructing int id: 36
begin construct A id: 9
construct a.x
constructing int: 999 id: 37
assign a.y
assigning int: 0 0 id: 35
end construct A
copy constructing int: 0 id: 38
copy constructing int: 0 id: 39
begin copy construct A id: 10
copy construct this.x
copy constructing int: 999 id: 40
assign this.y
copy constructing int: 0 id: 41
destructing int: 0 id: 41
destructing int: 0 id: 41
end copy construct A
begin ?=? A id: 7
copy constructing int: 999 id: 42
destructing int: 999 id: 42
destructing int: 999 id: 42
copy constructing int: 0 id: 43
destructing int: 0 id: 43
destructing int: 0 id: 43
copy constructing int: 0 id: 44
destructing int: 0 id: 44
destructing int: 0 id: 44
end ?=? A
copy constructing int: 0 id: 45
copy constructing int: 0 id: 46
begin copy construct A id: 11
copy construct this.x
copy constructing int: 999 id: 47
assign this.y
copy constructing int: 0 id: 48
destructing int: 0 id: 48
destructing int: 0 id: 48
end copy construct A
destructing int: 0 id: 46
destructing int: 0 id: 48
destructing int: 999 id: 47
destructing int: 0 id: 39
destructing int: 0 id: 41
destructing int: 999 id: 40
destructing int: 0 id: 24
destructing int: 0 id: 26
destructing int: 1000 id: 25
end destruct B
destructing int: 0 id: 36
destructing int: 0 id: 35
destructing int: 999 id: 37
destructing int: 0 id: 32
destructing int: 0 id: 34
destructing int: 0 id: 33
destructing int: 0 id: 44
destructing int: 0 id: 43
destructing int: 999 id: 42
begin destruct B id: 2
constructing int id: 49
constructing int id: 50
begin construct A id: 12
construct a.x
constructing int: 999 id: 51
assign a.y
assigning int: 0 0 id: 49
end construct A
copy constructing int: 0 id: 52
copy constructing int: 0 id: 53
begin copy construct A id: 13
copy construct this.x
copy constructing int: 999 id: 54
assign this.y
copy constructing int: 0 id: 55
destructing int: 0 id: 55
destructing int: 0 id: 55
end copy construct A
begin ?=? A id: 0
copy constructing int: 999 id: 56
destructing int: 999 id: 56
destructing int: 999 id: 56
copy constructing int: 0 id: 57
destructing int: 0 id: 57
destructing int: 0 id: 57
copy constructing int: 0 id: 58
destructing int: 0 id: 58
destructing int: 0 id: 58
end ?=? A
copy constructing int: 0 id: 59
copy constructing int: 0 id: 60
begin copy construct A id: 14
copy construct this.x
copy constructing int: 999 id: 61
assign this.y
copy constructing int: 0 id: 62
destructing int: 0 id: 62
destructing int: 0 id: 62
end copy construct A
destructing int: 0 id: 60
destructing int: 0 id: 62
destructing int: 999 id: 61
destructing int: 0 id: 53
destructing int: 0 id: 55
destructing int: 999 id: 54
destructing int: 0 id: 21
destructing int: 0 id: 20
destructing int: 1000 id: 22
end destruct B
destructing int: 0 id: 50
destructing int: 0 id: 49
destructing int: 999 id: 51
destructing int: 0 id: 5
destructing int: 0 id: 4
destructing int: 0 id: 3
destructing int: 0 id: 58
destructing int: 0 id: 57
destructing int: 999 id: 56