1  /* { dg-do compile } */
       2  /* { dg-options "-O0 -Wuninitialized" } */
       3  extern int bar (int);
       4  extern void baz (int *);
       5  
       6  int
       7  foo (int i)
       8  {
       9    int j; /* { dg-warning "'j' may be used uninitialized" "uninitialized" { xfail *-*-* } } */
      10  
      11    if (bar (i)) {
      12      baz (&j);
      13    } else {
      14    }
      15  
      16    return j;
      17  }
      18  
      19  int foo2( void ) {
      20    int rc;
      21    return rc; /* { dg-warning "'rc' is used uninitialized" } */
      22    *&rc = 0;
      23  }
      24  
      25  extern int printf(const char *, ...);
      26  void frob(int *pi);
      27  
      28  int main(void)
      29  {
      30    int i;
      31    printf("i = %d\n", i); /* { dg-warning "'i' is used uninitialized" } */
      32    frob(&i);
      33  
      34    return 0;
      35  }
      36  
      37  void foo3(int*);
      38  void bar3(void) {
      39    int x;
      40    if(x) /* { dg-warning "'x' is used uninitialized" } */
      41      foo3(&x);
      42  }