Fix indestructable effects not being sorted in a deterministic way

containers_fwd.h

@@ -30,6 +30,9 @@ using effect_set = std::vector<effect*>;
 using effect_set_v = effect_set;
 
 bool effect_sort_id(const effect* e1, const effect* e2);
+struct effect_sort_by_id {
+	bool operator()(effect* e1, effect* e2) const;
+};
 
 struct chain;
 using chain_array = std::vector<chain>;

effect.cpp

@@ -14,6 +14,9 @@
 bool effect_sort_id(const effect* e1, const effect* e2) {
 	return e1->id < e2->id;
 }
+bool effect_sort_by_id::operator()(effect* e1, effect* e2) const {
+	return effect_sort_id(e1, e2);
+}
 bool field_effect::grant_effect_container::effect_sort_by_ref::operator()(effect* e1, effect* e2) const {
 	return e1->ref_handle < e2->ref_handle;
 }

operations.cpp

@@ -3803,7 +3803,7 @@ bool field::process(Processors::Destroy& arg) {
 		card_set extra;
 		effect_set eset;
 		card_set indestructable_set;
-		std::set<effect*> indestructable_effect_set;
+		std::set<effect*, effect_sort_by_id> indestructable_effect_set;
 		for(auto cit = targets->container.begin(); cit != targets->container.end();) {
 			auto rm = cit++;
 			card* pcard = *rm;