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/* PR tree-optimization/51877 */
extern void abort (void);
struct A { int a; char b[32]; } a, b;
__attribute__((noinline, noclone))
struct A
bar (int x)
{
struct A r;
static int n;
r.a = ++n;
__builtin_memset (r.b, 0, sizeof (r.b));
r.b[0] = x;
return r;
}
__attribute__((noinline, noclone))
void
baz (void)
{
asm volatile ("" : : : "memory");
}
__attribute__((noinline, noclone))
void
foo (struct A *x, int y)
{
if (y == 6)
a = bar (7);
else
*x = bar (7);
baz ();
}
int
main ()
{
a = bar (3);
b = bar (4);
if (a.a != 1 || a.b[0] != 3 || b.a != 2 || b.b[0] != 4)
abort ();
foo (&b, 0);
if (a.a != 1 || a.b[0] != 3 || b.a != 3 || b.b[0] != 7)
abort ();
foo (&b, 6);
if (a.a != 4 || a.b[0] != 7 || b.a != 3 || b.b[0] != 7)
abort ();
return 0;
}
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