gcc/testsuite/gcc.dg/asan/pr78106.c

   1 /* PR sanitizer/78106 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-fsanitize=address -fdump-tree-sanopt-details -ffat-lto-objects" } */
   4
   5 int *variable;
   6
   7 void __attribute__((used)) release()
   8 {
   9   __builtin_free (variable);
  10 }
  11
  12 int main2(int argc)
  13 {
  14   *variable = 2;
  15
  16   if (argc <= 5)
  17     asm volatile ("call release");
  18
  19   *variable = 2;
  20   __builtin_abort ();
  21
  22   return 0;
  23 }
  24
  25 int main(int argc, char **argv)
  26 {
  27   variable = __builtin_malloc (sizeof(int));
  28   return main2(argc);
  29 }
  30
  31 /* { dg-final { scan-tree-dump-not "Optimizing out(\n|\r\n|\r)  ASAN_CHECK \\(7, variable.*" "sanopt" } } */