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comparison gcc/testsuite/c-c++-common/memset-array.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 compile } */
2 /* { dg-options "-Wmemset-elt-size" } */
3 enum a {
4 a_1,
5 a_2,
6 a_n
7 };
8 int t1[20];
9 int t2[a_n];
10
11 struct s
12 {
13 int t[20];
14 };
15
16 void foo (struct s *s)
17 {
18 __builtin_memset (t1, 0, 20); /* { dg-warning "element size" } */
19 __builtin_memset (t2, 0, a_n); /* { dg-warning "element size" } */
20 __builtin_memset (s->t, 0, 20); /* { dg-warning "element size" } */
21 }
22
23 char u1[20];
24 char u2[a_n];
25
26 struct s2
27 {
28 char u[20];
29 };
30
31 void bar (struct s2 *s)
32 {
33 __builtin_memset (u1, 0, 20);
34 __builtin_memset (u2, 0, a_n);
35 __builtin_memset (s->u, 0, 20);
36 }