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comparison gcc/testsuite/gcc.dg/Wrestrict-13.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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111:04ced10e8804 131:84e7813d76e9
1 /* PR tree-optimization/83519 - missing -Wrestrict on an overlapping
2 strcpy to a non-member array
3 { dg-do compile }
4 { dg-options "-O2 -Wall -Wrestrict" } */
5
6 extern char* stpcpy (char*, const char*); // work around bug 82429
7
8 struct S { char a[17]; };
9
10 void f (struct S *p, const char *s)
11 {
12 __builtin_strcpy (p->a, "0123456789abcdef");
13
14 __builtin_strcpy (p->a, p->a + 4); /* { dg-warning "\\\[-Wrestrict]" } */
15 }
16
17 char a[17];
18
19 void g (const char *s)
20 {
21 __builtin_strcpy (a, "0123456789abcdef");
22
23 __builtin_strcpy (a, a + 4); /* { dg-warning "\\\[-Wrestrict]" } */
24 }
25
26 void h (const char *s)
27 {
28 char a[17];
29
30 __builtin_strcpy (a, "0123456789abcdef");
31
32 __builtin_strcpy (a, a + 4); /* { dg-warning "\\\[-Wrestrict]" } */
33
34 extern void sink (void*);
35 sink (a);
36 }