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/* Spurious uninitialized variable warnings. Slight variant on the
documented case, inspired by reg-stack.c:record_asm_reg_life. */
/* { dg-do compile } */
/* { dg-options "-O -Wuninitialized" } */
struct foo
{
int type;
struct foo *car;
struct foo *cdr;
char *data;
int data2;
};
extern void use(struct foo *);
#define CLOBBER 6
#define PARALLEL 3
void
func(struct foo *list, int count)
{
int n_clobbers = 0;
int i;
struct foo **clob_list; /* { dg-bogus "clob_list" "uninitialized variable warning" } */
if(list[0].type == PARALLEL)
{
clob_list = __builtin_alloca(count * sizeof(struct foo *));
for(i = 1; i < count; i++)
{
if(list[i].type == CLOBBER)
clob_list[n_clobbers++] = &list[i];
}
}
for(i = 0; i < n_clobbers; i++)
use(clob_list[i]);
}
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