Make list-ptr remove/replace take a count.

It will assrt if it can't find that many entries. 

Zero means "all the ones you can find", aka old behaviour.

1 files changed, 1 insertions, 3 deletions

diff --git a/simplify.c b/simplify.c
index a52b6e7..25b5e6b 100644
--- a/simplify.c
+++ b/simplify.c
@@ -159,9 +159,7 @@ static int clean_up_phi(struct instruction *insn)
 static inline void remove_usage(pseudo_t p, pseudo_t *usep)
 {
 	if (has_use_list(p)) {
-		int deleted;
-		deleted = delete_ptr_list_entry((struct ptr_list **)&p->users, usep);
-		assert(deleted == 1);
+		delete_ptr_list_entry((struct ptr_list **)&p->users, usep, 1);
 		if (!p->users)
 			kill_instruction(p->def);
 	}