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/* PR c/106465
* { dg-do run }
* { dg-options "-std=gnu99" }
* */
int main()
{
int n = 3;
void* p = __builtin_malloc(sizeof(struct { char p[16]; }));
if (!p)
return 0;
void g1(int m, struct foo { char p[++m]; }* b) /* { dg-warning "struct" } */
{
if (3 != m)
__builtin_abort();
struct foo t;
*b = t;
if (3 != sizeof(b->p))
__builtin_abort();
}
void g2(struct { char p[++n]; }* b) /* { dg-warning "anonymous struct" } */
{
if (4 != n)
__builtin_abort();
typeof(*b) t;
*b = t;
if (4 != sizeof(b->p))
__builtin_abort();
}
void g2b(struct { char (*p)[++n]; }* b) /* { dg-warning "anonymous struct" } */
{
if (5 != n)
__builtin_abort();
char tmp[5];
typeof(*b) t = { &tmp };
*b = t;
if (5 != sizeof(*b->p))
__builtin_abort();
}
if (3 != n)
__builtin_abort();
g1(2, p);
g2(p);
g2b(p);
n--;
__builtin_free(p);
if (4 != n)
__builtin_abort();
struct foo { char (*p)[++n]; } x;
if (5 != n)
__builtin_abort();
char tmp1[5];
x.p = &tmp1;
struct bar { char (*p)[++n]; };
if (6 != n)
__builtin_abort();
auto struct z { char (*p)[++n]; } g3(void);
if (7 != n)
__builtin_abort();
struct z g3(void) { };
if (7 != n)
__builtin_abort();
struct { char (*p)[++n]; } g4(void) { };
if (8 != n)
__builtin_abort();
__auto_type u = g3();
if (8 != n)
__builtin_abort();
char tmp2[7];
u.p = &tmp2;
if (5 != sizeof *x.p)
__builtin_abort();
if (7 != sizeof *u.p)
__builtin_abort();
return 0;
}
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