gcc/testsuite/gcc.dg/pr89061.c

   1 /* PR c/89061 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wjump-misses-init" } */
   4
   5 struct S { int s; };
   6
   7 int
   8 foo (int x)
   9 {
  10   struct S s = { 0 };
  11   if ((s.s = x) == 0)
  12     goto cleanup;               /* { dg-bogus "jump skips variable initialization" } */
  13   s = (struct S) { .s = 42 };
  14  cleanup:
  15   return s.s;
  16 }
  17
  18 int
  19 bar (int x)
  20 {
  21   struct S *s = &(struct S) { 0 };
  22   if ((s->s = x) == 0)
  23     goto cleanup;               /* { dg-bogus "jump skips variable initialization" } */
  24   s = &(struct S) { .s = 42 };
  25  cleanup:
  26   return s->s;
  27 }