gcc/testsuite/gcc.dg/Wfree-nonheap-object-7.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -Wfree-nonheap-object" } */
   3
   4 struct local_caches *get_local_caches_lcs;
   5 void *calloc(long, long);
   6 void *realloc();
   7
   8 struct local_caches {
   9   int *t_mem_caches;
  10 };
  11
  12 struct local_caches *get_local_caches() {
  13   if (get_local_caches_lcs)
  14     return get_local_caches_lcs;
  15   get_local_caches_lcs = calloc(1, 0);
  16   return get_local_caches_lcs;
  17 }
  18
  19 void libtrace_ocache_free() {
  20   struct local_caches lcs = *get_local_caches(), __trans_tmp_1 = lcs;
  21   {
  22     struct local_caches *lcs = &__trans_tmp_1;
  23     lcs->t_mem_caches += 10;
  24     __trans_tmp_1.t_mem_caches = realloc(__trans_tmp_1.t_mem_caches, sizeof(int)); // { dg-warning "called on pointer (?:(?!PHI).)*nonzero offset" }
  25   }
  26 }