1/* Positive test for uninitialized variables.  */
2/* { dg-do compile } */
3/* { dg-options "-O -Wuninitialized" } */
4
5int sink;
6
7void f1(int parm)	/* { dg-bogus "uninitialized" "parameter" } */
8{
9  sink = parm;		/* { dg-bogus "uninitialized" "parameter" } */
10}
11
12void f2(void)
13{
14  int x;
15  sink = x;		/* { dg-warning "is used" "unconditional" } */
16}
17
18void f3(int p)
19{
20  int x;		/* { dg-warning "may be used" "conditional" } */
21  if (p)
22    x = p;
23  sink = x;
24}
25
26void f4(int p)
27{
28  int x;		/* { dg-bogus "uninitialized" "easy if" } */
29  if (p)
30    x = 1;
31  else
32    x = 2;
33  sink = x;
34}
35
36void f5(void)
37{
38  int x, i;		/* { dg-bogus "uninitialized" "easy loop" } */
39  for (i = 0; i < 10; ++i)
40    x = 1;
41  sink = x;
42}
43