gcc/testsuite/gcc.dg/uninit-pr81897.c

   1 /* { dg-do compile }  */
   2 /* { dg-options "-O2 -Wuninitialized" } */
   3
   4 int f(void);
   5 static inline void rcu_read_unlock(void)
   6 {
   7         static _Bool __warned;
   8         if (f() && !__warned && !f()) {
   9                 __warned = 1;
  10         }
  11 }
  12 int inet6_rtm_getroute(void)
  13 {
  14         int dst;
  15         int fibmatch = f();
  16
  17         if (!fibmatch)
  18                 dst = f();
  19         rcu_read_unlock();
  20         if (fibmatch)
  21                 dst = 0;
  22
  23         return dst;
  24 }