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/* PR optimization/13394 */
/* Origin: Carlo Wood <carlo@gcc.gnu.org> */
/* Verify that a bogus "function does return" warning is not issued
in presence of tail recursion within a noreturn function. */
/* { dg-do compile } */
/* { dg-options "-O2 -Wreturn-type -Wmissing-noreturn" } */
void f(void) __attribute__ ((__noreturn__));
void _exit(int status) __attribute__ ((__noreturn__));
int z = 0;
void g()
{
if (++z > 10)
_exit(0);
g();
} /* { dg-warning "possible candidate" } */
void f()
{
if (++z > 10)
_exit(0);
f();
} /* { dg-bogus "does return" } */
int h()
{
if (++z > 10)
_exit(0);
return h();
} /* { dg-bogus "end of non-void function" } */
int k()
{
if (++z > 10)
_exit(0);
k();
} /* { dg-warning "end of non-void function" } */
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