gcc/testsuite/c-c++-common/pr27336.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdelete-null-pointer-checks -fdump-tree-vrp1" } */
   3 /* { dg-skip-if "" { keeps_null_pointer_checks } } */
   4
   5 struct B { int x; };
   6 extern void g3(struct B *that)  __attribute__((nonnull));
   7 int f3(struct B *a)
   8 {
   9   g3(a);
  10   return a != (void *)0;
  11 }
  12
  13 /* { dg-final { scan-tree-dump "return 1;" "vrp1" } } */