gcc/testsuite/gcc.dg/pr87099.c

   1 /* PR middle-end/87099 */
   2 /* { dg-do compile } */
   3 /* { dg-require-effective-target alloca } */
   4 /* { dg-options "-Wstringop-overflow" } */
   5
   6 void bar (char *);
   7
   8 int
   9 foo (int n)
  10 {
  11   char v[n];
  12   bar (v);
  13   return __builtin_strncmp (&v[1], "aaa", 3);
  14 }
  15
  16 int
  17 baz (int n, char *s)
  18 {
  19   char v[n];
  20   bar (v);
  21   return __builtin_strncmp (&v[1], s, 3);
  22 }