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/* PR tree-optimization/61869 - Spurious uninitialized warning (lim1 pass,
pretty-printed internal var
{ dg-do compile }
{ dg-options "-O2 -Wall" } */
typedef struct data {
struct data *next;
} data;
typedef struct list {
unsigned dummy;
struct list *next;
data *start;
int flags;
} list;
typedef struct iterator {
struct data *ptr;
unsigned dummy;
} iterator;
iterator start (list *a) {
iterator i = {
*(a->flags ? &a->start : 0),
0
};
return i;
}
void g (iterator *i);
void f (list *b)
{
list *a;
iterator i; // { dg-bogus "-Wmaybe-uninitialized" }
for (a = b; a; a = a->next)
for (i = start (a); i.ptr; i.ptr = i.ptr->next)
{
if (i.ptr)
return;
}
for (a = b; a; a = a->next)
for (i = start (a); i.ptr; i.ptr = i.ptr->next)
g(&i);
}
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