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/* PR c++/34459 */
extern void abort (void);
extern void *memset (void *s, int c, __SIZE_TYPE__ n);
struct S
{
char s[25];
};
struct S *p;
void __attribute__((noinline))
foo (struct S *x, int set)
{
int i;
for (i = 0; i < sizeof (x->s); ++i)
if (x->s[i] != 0)
abort ();
else if (set)
x->s[i] = set;
p = x;
}
void __attribute__((noinline))
test1 (void)
{
struct S a;
memset (&a.s, '\0', sizeof (a.s));
foo (&a, 0);
struct S b = a;
foo (&b, 1);
b = a;
b = b;
foo (&b, 0);
}
void __attribute__((noinline))
test2 (void)
{
struct S a;
memset (&a.s, '\0', sizeof (a.s));
foo (&a, 0);
struct S b = a;
foo (&b, 1);
b = a;
b = *p;
foo (&b, 0);
}
void __attribute__((noinline))
test3 (void)
{
struct S a;
memset (&a.s, '\0', sizeof (a.s));
foo (&a, 0);
struct S b = a;
foo (&b, 1);
*p = a;
*p = b;
foo (&b, 0);
}
int
main (void)
{
test1 ();
test2 ();
test3 ();
return 0;
}
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