gcc/testsuite/g++.dg/uninit-pred-2_b.C

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wuninitialized -O2" } */
   3
   4 typedef long long int64;
   5 void incr ();
   6 bool is_valid (int);
   7 int  get_time ();
   8
   9 class A
  10 {
  11 public:
  12   A ();
  13   ~A () {
  14     if (I) delete I;
  15   }
  16
  17 private:
  18   int* I;
  19 };
  20
  21 bool get_url (A *);
  22
  23 class M {
  24
  25  public:
  26 __attribute__ ((always_inline))  bool GetC (int *c)  {
  27
  28     A details_str;
  29     if (get_url (&details_str))
  30       {
  31         *c = get_time ();
  32         return true;
  33       }
  34
  35     return false;
  36   }
  37
  38   void do_sth();
  39   void do_sth2();
  40
  41   void P (int64 t)
  42     {
  43       int cc; /* { dg-message "note: 'cc' was declared here" } */
  44       if (GetC (&cc)) /* return flag checked wrongly */
  45         return;
  46
  47       if (cc <= 0)  /* { dg-warning "uninitialized" "uninitialized variable warning" } */
  48         {
  49           this->do_sth();
  50           return;
  51         }
  52
  53     do_sth2();
  54   }
  55 };
  56
  57 M* m;
  58 void foo(int x)
  59 {
  60   m = new M;
  61   m->P(x);
  62 }