Hello,
The program at the bottom prints
1
2
1
2
Does the code contain undefined behaviour in C++17 (note that the structs
have common initial sequence )?
Łukasz
#include
using namespace std;
struct A {
int first;
int second;
};
struct B {
int first;
int seco
I don’t have the reference on hand, but I’m pretty sure writing to one union
member and reading the value back through another is undefined behaviour. I
believe this is inherited from C99 or earlier.
> On 19 Mar 2018, at 12:00, via cfe-users wrote:
>
> Send cfe-users mailing list submissions
