https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98233
Bug ID: 98233
Summary: A small bug in stl
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: 570070308 at qq dot com
Target Milestone: ---
In the code
```
#include <vector>
#include <stdio.h>
struct A
{
public:
int a;
std::vector<A> m;
};
int main()
{
A x;
x.m.emplace_back();
x.a=13;
x.m[0].a=9;
printf("%d\n",x.m[0].a);
x.m[0]=x;
printf("%d\n",x.m[0].m[0].a);
return 0;
}
```
expect to output 9 and 9.
But the result is 9 and 13.
