gcc/testsuite/gcc.dg/pr34457-1.c

   1 /* PR c/34457 */
   2 /* { dg-do compile } */
   3 /* { dg-options "--combine -O2" } */
   4 /* { dg-additional-sources "pr34457-2.c" } */
   5
   6
   7 typedef __SIZE_TYPE__ size_t;
   8 extern int printf (const char *, ...);
   9 extern void *memset (void *, int, size_t);
  10
  11 int bar (int (*)(), int, void *);
  12
  13 int
  14 main(int argc, char **argv)
  15 {
  16   struct s { int a; char b[argc]; };
  17   int nested (struct s x) { return x.a + sizeof(x); }
  18   struct s t;
  19   memset (&t, 0, sizeof(t));
  20   t.a = 123;
  21   printf("%d\n", bar (nested, argc, &t));
  22   return 0;
  23 }