blob: 060ec250ba7494ee7e90bab3724c3be3182edf7b [file] [log] [blame]
/* 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" } */
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;
}
}