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comparison gcc/testsuite/gcc.dg/builtin-object-size-12.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 struct S {
6 int len;
7 char s[0];
8 };
9 int main()
10 {
11 char buf[sizeof (struct S) + 32];
12 if (__builtin_object_size (((struct S *)&buf[0])->s, 1) != 32)
13 abort ();
14 if (__builtin_object_size (((struct S *)&buf[1])->s, 1) != 31)
15 abort ();
16 if (__builtin_object_size (((struct S *)&buf[64])->s, 0) != 0)
17 abort ();
18 return 0;
19 }