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comparison gcc/testsuite/gcc.dg/builtin-object-size-15.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 /* { dg-do run } */
2 /* { dg-options "-O2" } */
3
4 extern void abort (void);
5
6 int
7 main ()
8 {
9 struct A { char buf1[9]; char buf2[1]; } a;
10
11 if (__builtin_object_size (a.buf1 + (0 + 4), 1) != 5)
12 abort ();
13 char *p = a.buf1;
14 p += 1;
15 p += 3;
16 if (__builtin_object_size (p, 1) != 5)
17 abort ();
18 p = (char *) &a;
19 char *q = p + 1;
20 char *r = q + 3;
21 char *t = r;
22 if (r != (char *) &a + 4)
23 t = (char *) &a + 1;
24 if (__builtin_object_size (t, 1) != 6)
25 abort ();
26 return 0;
27 }