gcc/testsuite/c-c++-common/ubsan/null-9.c

   1 /* { dg-do run } */
   2 /* { dg-options "-fsanitize=null -w" } */
   3 /* { dg-shouldfail "ubsan" } */
   4 /* { dg-skip-if "" { *-*-* } { "-flto" } { "" } } */
   5
   6 union U {
   7   int i;
   8 };
   9
  10 int
  11 main (void)
  12 {
  13   union U *u = 0;
  14   return u->i;
  15 }
  16
  17 /* { dg-output "member access within null pointer of type 'union U'(\n|\r\n|\r)" } */