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comparison gcc/testsuite/gcc.dg/Wstringop-overflow-19.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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131:84e7813d76e9 145:1830386684a0
1 /* PR middle-end/92014 - bogus warning: writing 8 bytes into a region
2 of size 1 in timezone/zic.c
3 { dg-do compile }
4 { dg-options "-O2 -Wall" } */
5
6 struct
7 {
8 char *s1, *s2;
9 char c;
10 } z;
11
12
13 void f (char **a, int i, int j)
14 {
15 char * cp = __builtin_strchr (a[i], '%');
16
17 if (cp && *++cp != 's')
18 return;
19
20 z.s1 = __builtin_strdup (a[i]);
21 if (!z.s1) __builtin_abort ();
22
23 z.s2 = __builtin_strdup (a[j]);
24 if (!z.s2) __builtin_abort ();
25
26 z.c = cp ? *cp : '\0'; // { dg-bogus "\\\[-Wstringop-overflow" }
27 }