[Bug tree-optimization/117142] [13/14/15 Regression] ICE: verify_flow_info failed: error: returns_twice call is not first in basic block 2 at -O1 and above

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117142

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2024-10-15
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1

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

struct a {
  int b;
};
void c(int, int);
void __attribute__((returns_twice))
bar1(struct a);
void bar(struct a) {
  struct a d;
  bar1(d);
  c(d.b, d.b);
}
```