1  /* { dg-do run } */
       2  /* { dg-shouldfail "asan" } */
       3  
       4  #include <assert.h>
       5  
       6  struct A {
       7    char a[3];
       8    int b[3];
       9  };
      10  
      11  volatile int ten = 10;
      12  
      13  __attribute__((noinline)) void foo(int index, int len) {
      14    volatile struct A str[len] __attribute__((aligned(32)));
      15    assert(!((long) str & 31L));
      16    str[index].a[0] = '1'; // BOOM
      17  }
      18  
      19  int main(int argc, char **argv) {
      20    foo(ten, ten);
      21    return 0;
      22  }
      23  
      24  /* { dg-output "WRITE of size 1 at 0x\[0-9a-f\]+ thread T0\[^\n\r]*(\n|\r\n|\r)" } */
      25  /* { dg-output "    #0 0x\[0-9a-f\]+ +(in _*foo(\[^\n\r]*alloca_detect_custom_size.c:16|\[^\n\r]*:0|\[^\n\r]*\\+0x\[0-9a-z\]*)|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */
      26  /* { dg-output "\[^\n\r]*Address 0x\[0-9a-f\]+ is located in stack of thread T0.*(\n|\r\n|\r)" */
      27  /* { dg-output "\[^\n\r]*in foo.*alloca_detect_custom_size.c.*(\n|\r\n|\r)" */