[Bug rtl-optimization/69246] [6 Regression] ICE in distribute_notes, at combine.c:13693 on i686-linux-gnu

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69246

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Cleaned up simplified testcase:
typedef void (__attribute__ ((stdcall)) *T) (int);
T a;

void __attribute__ ((stdcall))
foo (int x)
{
  a (x);
}