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/* { dg-do run } */
/* { dg-options "-O -fno-inline" } */
extern void abort (void);
/* Return 0 and clobber the static chain. */
int
zero (int n)
{
int
nested (int m)
{
return m - n;
}
return nested (n);
}
/* Return the triple of ARG in a convoluted manner. */
int
triple (int arg)
{
int
read_arg (void)
{
return arg;
}
int
parent (int nested_arg)
{
int
child1 (void)
{
return parent (zero (5));
}
int
child2 (void)
{
return nested_arg + read_arg ();
}
return (nested_arg == 0 ? 0 : child1 ()) + child2 ();
}
return parent (arg);
}
int main(void)
{
if (triple (13) != 3 * 13)
abort ();
return 0;
}
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