gcc/testsuite/c-c++-common/analyzer/uninit-pr106204.c

   1 /* { dg-additional-options "-ftrivial-auto-var-init=zero" } */
   2
   3 int foo(unsigned *len);
   4
   5 /* Modified version of reproducer that does use "len" before init.  */
   6
   7 int test_2()
   8 {
   9  unsigned len;
  10  int rc;
  11
  12  rc = len; /* { dg-warning "use of uninitialized value 'len'" } */
  13  rc = foo(&len);
  14  if (!rc)
  15   rc = len;
  16  return rc;
  17 }