Avoid unnecessary static_variables persistence

static_variables should be treated the same way as all other
op_array components nowadays (only static_variables_ptr is
special). There's no need to persist/serialize it is separately
per shared op_array.

Author: nikic

ext/opcache/zend_file_cache.c

@@ -461,18 +461,10 @@ static void zend_file_cache_serialize_op_array(zend_op_array            *op_arra
 		return;
 	}
 
-	if (op_array->static_variables) {
-		HashTable *ht;
-
-		SERIALIZE_PTR(op_array->static_variables);
-		ht = op_array->static_variables;
-		UNSERIALIZE_PTR(ht);
-		zend_file_cache_serialize_hash(ht, script, info, buf, zend_file_cache_serialize_zval);
-	}
-
 	if (op_array->scope) {
 		if (UNEXPECTED(zend_shared_alloc_get_xlat_entry(op_array->opcodes))) {
 			op_array->refcount = (uint32_t*)(intptr_t)-1;
+			SERIALIZE_PTR(op_array->static_variables);
 			SERIALIZE_PTR(op_array->literals);
 			SERIALIZE_PTR(op_array->opcodes);
 			SERIALIZE_PTR(op_array->arg_info);
@@ -490,6 +482,15 @@ static void zend_file_cache_serialize_op_array(zend_op_array            *op_arra
 		zend_shared_alloc_register_xlat_entry(op_array->opcodes, op_array->opcodes);
 	}
 
+	if (op_array->static_variables) {
+		HashTable *ht;
+
+		SERIALIZE_PTR(op_array->static_variables);
+		ht = op_array->static_variables;
+		UNSERIALIZE_PTR(ht);
+		zend_file_cache_serialize_hash(ht, script, info, buf, zend_file_cache_serialize_zval);
+	}
+
 	if (op_array->literals) {
 		zval *p, *end;
 
@@ -1274,17 +1275,9 @@ static void zend_file_cache_unserialize_op_array(zend_op_array           *op_arr
 		return;
 	}
 
-	if (op_array->static_variables) {
-		HashTable *ht;
-
-		UNSERIALIZE_PTR(op_array->static_variables);
-		ht = op_array->static_variables;
-		zend_file_cache_unserialize_hash(ht,
-				script, buf, zend_file_cache_unserialize_zval, ZVAL_PTR_DTOR);
-	}
-
 	if (op_array->refcount) {
 		op_array->refcount = NULL;
+		UNSERIALIZE_PTR(op_array->static_variables);
 		UNSERIALIZE_PTR(op_array->literals);
 		UNSERIALIZE_PTR(op_array->opcodes);
 		UNSERIALIZE_PTR(op_array->arg_info);
@@ -1300,6 +1293,15 @@ static void zend_file_cache_unserialize_op_array(zend_op_array           *op_arr
 		return;
 	}
 
+	if (op_array->static_variables) {
+		HashTable *ht;
+
+		UNSERIALIZE_PTR(op_array->static_variables);
+		ht = op_array->static_variables;
+		zend_file_cache_unserialize_hash(ht,
+				script, buf, zend_file_cache_unserialize_zval, ZVAL_PTR_DTOR);
+	}
+
 	if (op_array->literals) {
 		zval *p, *end;
 

ext/opcache/zend_persist.c

@@ -480,6 +480,12 @@ static void zend_persist_op_array_ex(zend_op_array *op_array, zend_persistent_sc
 		op_array->prototype = NULL;
 	}
 
+	if (op_array->scope
+	 && !(op_array->fn_flags & ZEND_ACC_CLOSURE)
+	 && (op_array->scope->ce_flags & ZEND_ACC_CACHED)) {
+		return;
+	}
+
 	if (op_array->static_variables && !zend_accel_in_shm(op_array->static_variables)) {
 		Bucket *p;
 
@@ -495,12 +501,6 @@ static void zend_persist_op_array_ex(zend_op_array *op_array, zend_persistent_sc
 		GC_TYPE_INFO(op_array->static_variables) = GC_ARRAY | ((IS_ARRAY_IMMUTABLE|GC_NOT_COLLECTABLE) << GC_FLAGS_SHIFT);
 	}
 
-	if (op_array->scope
-	 && !(op_array->fn_flags & ZEND_ACC_CLOSURE)
-	 && (op_array->scope->ce_flags & ZEND_ACC_CACHED)) {
-		return;
-	}
-
 	if (op_array->literals) {
 		zval *p, *end;
 

ext/opcache/zend_persist_calc.c

@@ -203,6 +203,12 @@ static void zend_persist_op_array_calc_ex(zend_op_array *op_array)
 		}
 	}
 
+	if (op_array->scope
+	 && !(op_array->fn_flags & ZEND_ACC_CLOSURE)
+	 && (op_array->scope->ce_flags & ZEND_ACC_CACHED)) {
+		return;
+	}
+
 	if (op_array->static_variables && !zend_accel_in_shm(op_array->static_variables)) {
 		if (!zend_shared_alloc_get_xlat_entry(op_array->static_variables)) {
 			Bucket *p;
@@ -218,12 +224,6 @@ static void zend_persist_op_array_calc_ex(zend_op_array *op_array)
 		}
 	}
 
-	if (op_array->scope
-	 && !(op_array->fn_flags & ZEND_ACC_CLOSURE)
-	 && (op_array->scope->ce_flags & ZEND_ACC_CACHED)) {
-		return;
-	}
-
 	if (op_array->literals) {
 		zval *p = op_array->literals;
 		zval *end = p + op_array->last_literal;