1 /* { dg-do compile } */
2 /* { dg-options "-O -Wuninitialized" } */
3 extern int bar (int);
4 extern void baz (int *);
5 int
foo(int i)6 foo (int i)
7 {
8 int j; /* { dg-warning "'j' may be used uninitialized" "uninitialized" { xfail *-*-* } } */
9
10 if (bar (i)) {
11 baz (&j);
12 } else {
13 }
14
15 return j;
16 }
17
18
19
foo2(void)20 int foo2( void ) {
21 int rc;
22 return rc; /* { dg-warning "'rc' is used uninitialized" } */
23 *&rc = 0;
24 }
25
26 extern int printf(const char *, ...);
27 void frob(int *pi);
28
main(void)29 int main(void)
30 {
31 int i;
32 printf("i = %d\n", i); /* { dg-warning "'i' is used uninitialized" } */
33 frob(&i);
34
35 return 0;
36 }
37
38 void foo3(int*);
bar3(void)39 void bar3(void) {
40 int x;
41 if(x) /* { dg-warning "'x' is used uninitialized" "uninitialized" } */
42 foo3(&x);
43 }
44