gcc/testsuite/gcc.dg/uninit-15.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -Wuninitialized" } */
   3
   4 inline int foo (int i)
   5 {
   6     if (i) return 1; /* { dg-warning "is used uninitialized" } */
   7     return 0;
   8 }
   9
  10 void baz();
  11
  12 void bar()
  13 {
  14     int j;           /* { dg-message "was declared here" } */
  15     for (; foo(j); ++j)
  16         baz();
  17 }