[Bug middle-end/115581] could remove copy of struct if original otherwise not used

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115581

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
          Component|other                       |middle-end
           Keywords|                            |missed-optimization
            Summary|missed argument forwarding  |could remove copy of struct
                   |in lambda                   |if original otherwise not
                   |                            |used
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2024-06-21

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Reduced testcase:
```

struct thing {
    int x[64];
};
void g(const thing &);
static inline
void f1(thing x)
{
    g(x);
}
void f9(thing x)
{
    f1(x);
}
```

Confirmed.