1 /* PR middle-end/79223 - missing -Wstringop-overflow on a memmove overflow
3 { dg-additional-options "-O2 -Wall -Wno-array-bounds -std=gnu99" } */
5 typedef __SIZE_TYPE__
size_t;
7 extern void* memcpy (void*, const void*, size_t);
8 extern void* mempcpy (void*, const void*, size_t);
9 extern void* memmove (void*, const void*, size_t);
16 extern size_t size ();
24 void test_memcpy (void)
26 memcpy (d
, s
, range ()); /* { dg-warning ".memcpy. writing 4 or more bytes into a region of size 3 overflows the destination" } */
29 void test_mempcpy (void)
31 mempcpy (d
, s
, range ()); /* { dg-warning ".mempcpy. writing 4 or more bytes into a region of size 3 overflows the destination" } */
34 void test_memmove (void)
36 memmove (d
+ 1, d
, range ()); /* { dg-warning ".memmove. writing 4 or more bytes into a region of size 2 overflows the destination" } */