| /* { dg-skip-if "requires qsort" { freestanding } } */ |
| |
| #include <stdlib.h> |
| |
| int __attribute__ ((noinline)) debug (void) { return 1; } |
| int errors; |
| |
| struct s { int elt; int (*compare) (int); }; |
| |
| static int |
| compare (const void *x, const void *y) |
| { |
| const struct s *s1 = x, *s2 = y; |
| int (*compare1) (int); |
| int elt2; |
| |
| compare1 = s1->compare; |
| elt2 = s2->elt; |
| if (elt2 != 0 && debug () && compare1 (s1->elt) != 0) |
| errors++; |
| return compare1 (elt2); |
| } |
| |
| int bad_compare (int x) { return -x; } |
| struct s array[2] = { { 1, bad_compare }, { -1, bad_compare } }; |
| |
| int |
| main (void) |
| { |
| qsort (array, 2, sizeof (struct s), compare); |
| return errors == 0; |
| } |