[Bug tree-optimization/23402] [4.1 Regression] error: statement makes a memory store, but has no V_MAY_DEFS nor V_MUST_DEFS

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-08-15 
17:36 -------
Here is another testcase:
typedef struct {} spinlock_t;
struct sk_buff_head {
  int i;
  spinlock_t lock;
};
struct sk_buff_head audit_skb_queue;
void audit_init(void)
{
  struct sk_buff_head *list = &audit_skb_queue;
  spinlock_t a = {};
  audit_skb_queue.lock = a;
}

The gimplifier is emitting the "audit_skb_queue.lock = a;" which is what is 
causing the issue.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23402