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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-dom3" } */
union tree_node;
typedef union tree_node *tree;
struct tree_common
{
int code;
};
struct tree_list
{
tree purpose;
};
union tree_node
{
struct tree_common common;
struct tree_list list;
};
void
simplify_condition (cond_p)
tree *cond_p;
{
tree decl;
tree cond = *cond_p;
if (cond->common.code != 42)
abort ();
decl = cond->list.purpose;
if (cond->common.code != 42)
abort ();
c_simplify_stmt (&decl);
}
/* There should be exactly one IF conditional. TBAA is not able to
determine that 'decl' and 'cond' can't alias. */
/* { dg-final { scan-tree-dump-times "if " 1 "dom3"} } */
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