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/* The return argument needs a type conversion which on some targets
   (e.g. s390) needs additional code.  So it is invalid to do tail
   call optimization here.  */
 
/* { dg-do compile } */
/* { dg-options "-O2" } */
 
extern void abort (void);
 
long long __attribute__((noinline))
foo ()
{
  return 3;
}
 
int __attribute__((noinline))
boo ()
{
  return foo ();
}
 
int
main ()
{
  if (boo () != 3)
    abort ();
}