gcc/testsuite/gcc.dg/torture/pr71816.c

   1 /* { dg-do compile } */
   2 /* { dg-prune-output "\\\[-Wbuiltin-declaration-mismatch" } */
   3
   4 void *ext2fs_resize_mem_p;
   5 struct ext2_icount_el {
   6     int ino;
   7 } * insert_icount_el_icount_1;
   8 int insert_icount_el_icount, insert_icount_el_new_size;
   9 void *memcpy();
  10 void *realloc();
  11 int ext2fs_resize_mem(void *p1) {
  12     int size = 0;
  13     memcpy(&ext2fs_resize_mem_p, p1, sizeof(ext2fs_resize_mem_p));
  14     void *p = realloc(&ext2fs_resize_mem_p, size);
  15     return 0;
  16 }
  17 struct ext2_icount_el *insert_icount_el() {
  18     if (insert_icount_el_icount)
  19       insert_icount_el_new_size = insert_icount_el_icount_1[0].ino;
  20     ext2fs_resize_mem(&insert_icount_el_icount_1);
  21     return 0;
  22 }
  23
  24 /* Passing the address of a declared object to realloc triggers
  25    -Wfree-nonheap-object unless -flto is used.
  26    { dg-prune-output "\\\[-Wfree-nonheap-object" } */