1 #include "launder6.h" 2 3 void * 4 operator new (decltype (sizeof (0)), void *p) 5 { 6 return p; 7 } 8 9 int y = 666; 10 f(B & b)11 void f(B& b) 12 { 13 new (&b.a) A{y}; 14 } 15