gcc/testsuite/gcc.dg/uninit-pr19430-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -Wuninitialized" } */
   3
   4 int  *p, *q;
   5
   6 int foo (int b)
   7 {
   8   int i, j = 0;
   9   int *x;
  10   p = &i;
  11   q = &j;
  12   if (b)
  13     x = p;  /* { dg-warning "i. may be used uninitialized" } */
  14   else
  15     x = q;
  16   return *x;
  17 }
  18