3420   const mchunkptr oldp = mem2chunk (oldmem);  in libc_hidden_def()  local
3422   const INTERNAL_SIZE_T oldsize = chunksize (oldp);  in libc_hidden_def()
3424   if (chunk_is_mmapped (oldp))  in libc_hidden_def()
3429       ar_ptr = arena_for_chunk (oldp);  in libc_hidden_def()
3436   if ((__builtin_expect ((uintptr_t) oldp > (uintptr_t) -oldsize, 0)  in libc_hidden_def()
3437        || __builtin_expect (misaligned_chunk (oldp), 0)))  in libc_hidden_def()
3447   if (chunk_is_mmapped (oldp))  in libc_hidden_def()
3452       newp = mremap_chunk (oldp, nb);  in libc_hidden_def()
3474       munmap_chunk (oldp);  in libc_hidden_def()
3480       newp = _int_realloc (ar_ptr, oldp, oldsize, nb);  in libc_hidden_def()
3489   newp = _int_realloc (ar_ptr, oldp, oldsize, nb);  in libc_hidden_def()
3502 	  size_t sz = memsize (oldp);  in libc_hidden_def()
3504 	  (void) tag_region (chunk2mem (oldp), sz);  in libc_hidden_def()
3505           _int_free (ar_ptr, oldp, 0);  in libc_hidden_def()
4812 _int_realloc (mstate av, mchunkptr oldp, INTERNAL_SIZE_T oldsize,  in _int_realloc()  argument
4825   if (__builtin_expect (chunksize_nomask (oldp) <= CHUNK_HDR_SZ, 0)  in _int_realloc()
4829   check_inuse_chunk (av, oldp);  in _int_realloc()
4832   assert (!chunk_is_mmapped (oldp));  in _int_realloc()
4834   next = chunk_at_offset (oldp, oldsize);  in _int_realloc()
4843       newp = oldp;  in _int_realloc()
4854           set_head_size (oldp, nb | (av != &main_arena ? NON_MAIN_ARENA : 0));  in _int_realloc()
4855           av->top = chunk_at_offset (oldp, nb);  in _int_realloc()
4857           check_inuse_chunk (av, oldp);  in _int_realloc()
4858           return tag_new_usable (chunk2mem (oldp));  in _int_realloc()
4867           newp = oldp;  in _int_realloc()
4887               newp = oldp;  in _int_realloc()
4891 	      void *oldmem = chunk2mem (oldp);  in _int_realloc()
4892 	      size_t sz = memsize (oldp);  in _int_realloc()
4896 	      _int_free (av, oldp, 1);  in _int_realloc()