gcc/testsuite/c-c++-common/asan/alloca_instruments_all_paddings.c

   1 /* { dg-do run } */
   2
   3 #include "sanitizer/asan_interface.h"
   4 #include <assert.h>
   5
   6 __attribute__((noinline)) void foo(int index, int len) {
   7   volatile char str[len] __attribute__((aligned(32)));
   8   assert(!((long) str & 31L));
   9   char *q = (char *)__asan_region_is_poisoned((char *)str, 64);
  10   assert(q && ((q - str) == index));
  11 }
  12
  13 int main(int argc, char **argv) {
  14   for (int i = 1; i < 33; ++i)
  15     foo(i, i);
  16
  17   for (int i = 1; i < 33; ++i)
  18     foo(i, i);
  19
  20   return 0;
  21 }