| /* Spurious uninitialized variable warnings, case 1. |
| Taken from cppfiles.c (merge_include_chains) */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O -Wuninitialized" } */ |
| |
| struct list |
| { |
| struct list *next; |
| int id; |
| }; |
| |
| extern void free (void *); |
| |
| void remove_dupes (struct list *el) |
| { |
| struct list *p, *q, *r; /* { dg-bogus "r" "uninitialized variable warning" { xfail *-*-* } } */ |
| |
| for (p = el; p; p = p->next) |
| { |
| for (q = el; q != p; q = q->next) |
| if (q->id == p->id) |
| { |
| r->next = p->next; |
| free (p); |
| p = r; |
| break; |
| } |
| r = p; |
| } |
| } |