gcc/testsuite/gcc.c-torture/compile/pr78439.c

   1 /* { dg-require-effective-target alloca } */
   2 /* PR target/78439.  */
   3
   4 enum demangle_component_type
   5 {
   6   DEMANGLE_COMPONENT_THROW_SPEC
   7 };
   8 struct demangle_component
   9 {
  10   enum demangle_component_type type;
  11   struct
  12   {
  13     struct
  14     {
  15       struct demangle_component *left;
  16       struct demangle_component *right;
  17     };
  18   };
  19 };
  20
  21 int a, b;
  22
  23 struct d_info
  24 {
  25   struct demangle_component *comps;
  26   int next_comp;
  27   int num_comps;
  28   struct demangle_component *subs;
  29   int num_subs;
  30   int is_conversion;
  31 };
  32
  33 void
  34 fn1 (int p1, struct d_info *p2)
  35 {
  36   p2->num_comps = 2 * p1;
  37   p2->next_comp = p2->num_subs = p1;
  38   p2->is_conversion = 0;
  39 }
  40
  41 int fn3 (int *);
  42 void fn4 (struct d_info *, int);
  43
  44 void
  45 fn2 ()
  46 {
  47   int c;
  48   struct d_info d;
  49   b = 0;
  50   c = fn3 (&a);
  51   fn1 (c, &d);
  52   struct demangle_component e[d.num_comps];
  53   struct demangle_component *f[d.num_subs];
  54   d.comps = e;
  55   d.subs = (struct demangle_component *) f;
  56   fn4 (&d, 1);
  57 }