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/* Test for builtin noreturn attributes when the visible declarations
are function-local. Modified from builtin-noret-1.c by Zack Weinberg
<zack@codesourcery.com>. */
/* { dg-options "-multiply_defined suppress" { target powerpc-*-darwin* } } */
/* { dg-do link } */
/* { dg-require-weak "" } */
extern void tabort (void);
extern void texit (void);
extern void t_exit (void);
extern void t_Exit (void);
extern void link_failure (void);
int
main (void)
{
volatile int i = 0;
extern void exit (int);
if (i)
tabort ();
if (i)
texit ();
if (i)
t_exit ();
if (i)
t_Exit ();
exit (0);
}
void
tabort (void)
{
extern void abort (void);
abort ();
link_failure ();
}
void
texit (void)
{
extern void exit (int);
exit (1);
link_failure ();
}
void
t_exit (void)
{
extern void _exit (int);
/* Some non-Unix libcs have _exit, and won't allow it to be re-defined,
so make it weak. */
#pragma weak _exit
_exit (1);
link_failure ();
}
/* Some non-Unix libcs might not have _exit. */
/* Some non-Unix libcs have _exit, and won't allow it to be re-defined,
so make it weak. */
#pragma weak _exit
void
_exit (int i)
{
extern void abort (void);
abort ();
}
void
t_Exit (void)
{
extern void _Exit (int);
/* Some libcs have _Exit, and won't allow it to be re-defined,
so make it weak. */
#pragma weak _Exit
_Exit (1);
link_failure ();
}
/* Some libcs might not have _Exit. */
/* Some libcs have _Exit, and won't allow it to be re-defined,
so make it weak. */
#pragma weak _Exit
void
_Exit (int i)
{
extern void abort (void);
abort ();
}
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