gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-39.c

   1 /* PR tree-optimization/93683 - ICE on calloc with unused return value
   2    in ao_ref_init_from_ptr_and_size
   3    { dg-do compile }
   4    { dg-options "-O2 -Wall -Wno-unused-result -fdump-tree-cddce1" } */
   5
   6 void f0 (int *a)
   7 {
   8   *a = 0;
   9   __builtin_calloc (1, 1);
  10 }
  11
  12 void f1 (int *a, unsigned n)
  13 {
  14   *a = n;
  15   __builtin_calloc (n, n);
  16 }
  17
  18 /* { dg-final { scan-tree-dump-not "calloc" "cddce1" } } */