394 lines
10 KiB
C
394 lines
10 KiB
C
/* { dg-do run } */
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/* { dg-options "-O2" } */
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typedef __SIZE_TYPE__ size_t;
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extern void abort (void);
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extern void exit (int);
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extern void *malloc (size_t);
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extern void *calloc (size_t, size_t);
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extern void *alloca (size_t);
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extern void *memcpy (void *, const void *, size_t);
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extern void *memset (void *, int, size_t);
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extern char *strcpy (char *, const char *);
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struct A
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{
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char a[10];
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int b;
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char c[10];
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} y, w[4];
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extern char exta[];
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extern char extb[30];
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extern struct A extc[];
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struct A zerol[0];
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void
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__attribute__ ((noinline))
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test1 (void *q, int x)
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{
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struct A a;
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void *p = &a.a[3], *r;
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char var[x + 10];
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struct A vara[x + 10];
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if (x < 0)
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r = &a.a[9];
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else
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r = &a.c[1];
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if (__builtin_object_size (p, 1) != sizeof (a.a) - 3)
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abort ();
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if (__builtin_object_size (&a.c[9], 1)
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!= sizeof (a.c) - 9)
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abort ();
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if (__builtin_object_size (q, 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (r, 1) != sizeof (a.c) - 1)
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abort ();
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if (x < 6)
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r = &w[2].a[1];
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else
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r = &a.a[6];
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if (__builtin_object_size (&y, 1) != sizeof (y))
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abort ();
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if (__builtin_object_size (w, 1) != sizeof (w))
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abort ();
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if (__builtin_object_size (&y.b, 1) != sizeof (a.b))
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abort ();
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if (__builtin_object_size (r, 1) != sizeof (a.a) - 1)
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abort ();
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if (x < 20)
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r = malloc (30);
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else
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r = calloc (2, 16);
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if (__builtin_object_size (r, 1) != 2 * 16)
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abort ();
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if (x < 20)
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r = malloc (30);
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else
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r = calloc (2, 14);
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if (__builtin_object_size (r, 1) != 30)
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abort ();
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if (x < 30)
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r = malloc (sizeof (a));
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else
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r = &a.a[3];
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if (__builtin_object_size (r, 1) != sizeof (a))
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abort ();
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r = memcpy (r, "a", 2);
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if (__builtin_object_size (r, 1) != sizeof (a))
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abort ();
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r = memcpy (r + 2, "b", 2) + 2;
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if (__builtin_object_size (r, 1) != sizeof (a) - 4)
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abort ();
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r = &a.a[4];
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r = memset (r, 'a', 2);
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if (__builtin_object_size (r, 1) != sizeof (a.a) - 4)
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abort ();
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r = memset (r + 2, 'b', 2) + 2;
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if (__builtin_object_size (r, 1) != sizeof (a.a) - 8)
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abort ();
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r = &a.a[1];
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r = strcpy (r, "ab");
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if (__builtin_object_size (r, 1) != sizeof (a.a) - 1)
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abort ();
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r = strcpy (r + 2, "cd") + 2;
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if (__builtin_object_size (r, 1) != sizeof (a.a) - 5)
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abort ();
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if (__builtin_object_size (exta, 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (exta + 10, 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (&exta[5], 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (extb, 1) != sizeof (extb))
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abort ();
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if (__builtin_object_size (extb + 10, 1) != sizeof (extb) - 10)
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abort ();
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if (__builtin_object_size (&extb[5], 1) != sizeof (extb) - 5)
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abort ();
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if (__builtin_object_size (extc, 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (extc + 10, 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (&extc[5], 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (&extc->a, 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (&(extc + 10)->b, 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (&extc[5].c[3], 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (var, 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (var + 10, 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (&var[5], 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (vara, 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (vara + 10, 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (&vara[5], 1) != (size_t) -1)
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abort ();
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if (__builtin_object_size (&vara[0].a, 1) != sizeof (vara[0].a))
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abort ();
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if (__builtin_object_size (&vara[10].a[0], 1) != sizeof (vara[0].a))
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abort ();
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if (__builtin_object_size (&vara[5].a[4], 1) != sizeof (vara[0].a) - 4)
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abort ();
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if (__builtin_object_size (&vara[5].b, 1) != sizeof (vara[0].b))
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abort ();
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if (__builtin_object_size (&vara[7].c[7], 1) != sizeof (vara[0].c) - 7)
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abort ();
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if (__builtin_object_size (zerol, 1) != 0)
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abort ();
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if (__builtin_object_size (&zerol, 1) != 0)
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abort ();
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if (__builtin_object_size (&zerol[0], 1) != 0)
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abort ();
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if (__builtin_object_size (zerol[0].a, 1) != 0)
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abort ();
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if (__builtin_object_size (&zerol[0].a[0], 1) != 0)
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abort ();
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if (__builtin_object_size (&zerol[0].b, 1) != 0)
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abort ();
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if (__builtin_object_size ("abcdefg", 1) != sizeof ("abcdefg"))
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abort ();
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if (__builtin_object_size ("abcd\0efg", 1) != sizeof ("abcd\0efg"))
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abort ();
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if (__builtin_object_size (&"abcd\0efg", 1) != sizeof ("abcd\0efg"))
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abort ();
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if (__builtin_object_size (&"abcd\0efg"[0], 1) != sizeof ("abcd\0efg"))
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abort ();
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if (__builtin_object_size (&"abcd\0efg"[4], 1) != sizeof ("abcd\0efg") - 4)
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abort ();
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if (__builtin_object_size ("abcd\0efg" + 5, 1) != sizeof ("abcd\0efg") - 5)
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abort ();
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if (__builtin_object_size (L"abcdefg", 1) != sizeof (L"abcdefg"))
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abort ();
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r = (char *) L"abcd\0efg";
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if (__builtin_object_size (r + 2, 1) != sizeof (L"abcd\0efg") - 2)
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abort ();
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}
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size_t l1 = 1;
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void
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__attribute__ ((noinline))
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test2 (void)
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{
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struct B { char buf1[10]; char buf2[10]; } a;
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char *r, buf3[20];
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int i;
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if (sizeof (a) != 20)
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return;
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r = buf3;
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for (i = 0; i < 4; ++i)
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{
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if (i == l1 - 1)
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r = &a.buf1[1];
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else if (i == l1)
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r = &a.buf2[7];
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else if (i == l1 + 1)
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r = &buf3[5];
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else if (i == l1 + 2)
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r = &a.buf1[9];
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}
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if (__builtin_object_size (r, 1) != sizeof (buf3))
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abort ();
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r = &buf3[20];
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for (i = 0; i < 4; ++i)
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{
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if (i == l1 - 1)
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r = &a.buf1[7];
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else if (i == l1)
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r = &a.buf2[7];
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else if (i == l1 + 1)
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r = &buf3[5];
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else if (i == l1 + 2)
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r = &a.buf1[9];
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}
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if (__builtin_object_size (r, 1) != sizeof (buf3) - 5)
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abort ();
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r += 8;
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if (__builtin_object_size (r, 1) != sizeof (buf3) - 13)
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abort ();
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if (__builtin_object_size (r + 6, 1) != sizeof (buf3) - 19)
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abort ();
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}
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void
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__attribute__ ((noinline))
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test3 (void)
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{
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char buf4[10];
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struct B { struct A a[2]; struct A b; char c[4]; char d; double e;
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_Complex double f; } x;
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double y;
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_Complex double z;
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double *dp;
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if (__builtin_object_size (buf4, 1) != sizeof (buf4))
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abort ();
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if (__builtin_object_size (&buf4, 1) != sizeof (buf4))
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abort ();
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if (__builtin_object_size (&buf4[0], 1) != sizeof (buf4))
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abort ();
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if (__builtin_object_size (&buf4[1], 1) != sizeof (buf4) - 1)
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abort ();
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if (__builtin_object_size (&x, 1) != sizeof (x))
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abort ();
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if (__builtin_object_size (&x.a, 1) != sizeof (x.a))
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abort ();
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if (__builtin_object_size (&x.a[0], 1) != sizeof (x.a))
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abort ();
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if (__builtin_object_size (&x.a[0].a, 1) != sizeof (x.a[0].a))
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abort ();
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if (__builtin_object_size (&x.a[0].a[0], 1) != sizeof (x.a[0].a))
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abort ();
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if (__builtin_object_size (&x.a[0].a[3], 1) != sizeof (x.a[0].a) - 3)
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abort ();
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if (__builtin_object_size (&x.a[0].b, 1) != sizeof (x.a[0].b))
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abort ();
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if (__builtin_object_size (&x.a[1].c, 1) != sizeof (x.a[1].c))
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abort ();
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if (__builtin_object_size (&x.a[1].c[0], 1) != sizeof (x.a[1].c))
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abort ();
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if (__builtin_object_size (&x.a[1].c[3], 1) != sizeof (x.a[1].c) - 3)
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abort ();
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if (__builtin_object_size (&x.b, 1) != sizeof (x.b))
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abort ();
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if (__builtin_object_size (&x.b.a, 1) != sizeof (x.b.a))
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abort ();
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if (__builtin_object_size (&x.b.a[0], 1) != sizeof (x.b.a))
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abort ();
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if (__builtin_object_size (&x.b.a[3], 1) != sizeof (x.b.a) - 3)
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abort ();
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if (__builtin_object_size (&x.b.b, 1) != sizeof (x.b.b))
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abort ();
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if (__builtin_object_size (&x.b.c, 1) != sizeof (x.b.c))
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abort ();
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if (__builtin_object_size (&x.b.c[0], 1) != sizeof (x.b.c))
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abort ();
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if (__builtin_object_size (&x.b.c[3], 1) != sizeof (x.b.c) - 3)
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abort ();
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if (__builtin_object_size (&x.c, 1) != sizeof (x.c))
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abort ();
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if (__builtin_object_size (&x.c[0], 1) != sizeof (x.c))
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abort ();
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if (__builtin_object_size (&x.c[1], 1) != sizeof (x.c) - 1)
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abort ();
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if (__builtin_object_size (&x.d, 1) != sizeof (x.d))
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abort ();
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if (__builtin_object_size (&x.e, 1) != sizeof (x.e))
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abort ();
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if (__builtin_object_size (&x.f, 1) != sizeof (x.f))
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abort ();
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dp = &__real__ x.f;
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if (__builtin_object_size (dp, 1) != sizeof (x.f) / 2)
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abort ();
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dp = &__imag__ x.f;
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if (__builtin_object_size (dp, 1) != sizeof (x.f) / 2)
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abort ();
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dp = &y;
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if (__builtin_object_size (dp, 1) != sizeof (y))
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abort ();
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if (__builtin_object_size (&z, 1) != sizeof (z))
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abort ();
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dp = &__real__ z;
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if (__builtin_object_size (dp, 1) != sizeof (z) / 2)
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abort ();
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dp = &__imag__ z;
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if (__builtin_object_size (dp, 1) != sizeof (z) / 2)
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abort ();
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}
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struct S { unsigned int a; };
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char *
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__attribute__ ((noinline))
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test4 (char *x, int y)
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{
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register int i;
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struct A *p;
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for (i = 0; i < y; i++)
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{
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p = (struct A *) x;
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x = (char *) &p[1];
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if (__builtin_object_size (p, 1) != (size_t) -1)
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abort ();
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}
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return x;
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}
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void
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__attribute__ ((noinline))
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test5 (size_t x)
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{
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struct T { char buf[64]; char buf2[64]; } t;
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char *p = &t.buf[8];
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size_t i;
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for (i = 0; i < x; ++i)
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p = p + 4;
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if (__builtin_object_size (p, 1) != sizeof (t.buf) - 8)
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abort ();
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memset (p, ' ', sizeof (t.buf) - 8 - 4 * 4);
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}
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void
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__attribute__ ((noinline))
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test6 (void)
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{
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char buf[64];
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struct T { char buf[64]; char buf2[64]; } t;
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char *p = &buf[64], *q = &t.buf[64];
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if (__builtin_object_size (p + 64, 1) != 0)
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abort ();
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if (__builtin_object_size (q + 0, 1) != 0)
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abort ();
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if (__builtin_object_size (q + 64, 1) != 0)
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abort ();
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}
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void
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__attribute__ ((noinline))
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test7 (void)
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{
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struct T { char buf[10]; char buf2[10]; } t;
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char *p = &t.buf2[-4];
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char *q = &t.buf2[0];
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if (__builtin_object_size (p, 1) != 0)
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abort ();
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if (__builtin_object_size (q, 1) != sizeof (t.buf2))
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abort ();
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q = &t.buf[10];
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if (__builtin_object_size (q, 1) != 0)
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abort ();
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q = &t.buf[11];
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if (__builtin_object_size (q, 1) != 0)
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abort ();
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p = &t.buf[-4];
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if (__builtin_object_size (p, 1) != 0)
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abort ();
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}
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int
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main (void)
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{
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struct S s[10];
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__asm ("" : "=r" (l1) : "0" (l1));
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test1 (main, 6);
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test2 ();
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test3 ();
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test4 ((char *) s, 10);
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test5 (4);
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test6 ();
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test7 ();
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exit (0);
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}
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