Change this to an early return

Avoid deep indentation.

Author: NattyNarwhal

Zend/zend_exceptions.c

@@ -541,26 +541,27 @@ static void build_trace_args(zval *arg, smart_str *str) /* {{{ */
 
 static void build_trace_args_list(zval *tmp, smart_str *str) /* {{{ */
 {
-	if (EXPECTED(Z_TYPE_P(tmp) == IS_ARRAY)) {
-		zend_string *name;
-		zval *arg;
-		HashTable *ht = Z_ARRVAL_P(tmp);
-		uint32_t index = 0;
-
-		ZEND_HASH_FOREACH_STR_KEY_VAL(ht, name, arg) {
-			if (name) {
-				smart_str_append(str, name);
-				smart_str_appends(str, ": ");
-			}
-			build_trace_args(arg, str);
-			if (++index != zend_hash_num_elements(ht)) {
-				smart_str_appends(str, ", ");
-			}
-		} ZEND_HASH_FOREACH_END();
-	} else {
+	if (EXPECTED(Z_TYPE_P(tmp) != IS_ARRAY)) {
 		/* only happens w/ reflection abuse (Zend/tests/bug63762.phpt) */
 		zend_error(E_WARNING, "args element is not an array");
+		return;
 	}
+
+	zend_string *name;
+	zval *arg;
+	HashTable *ht = Z_ARRVAL_P(tmp);
+	uint32_t index = 0;
+
+	ZEND_HASH_FOREACH_STR_KEY_VAL(ht, name, arg) {
+		if (name) {
+			smart_str_append(str, name);
+			smart_str_appends(str, ": ");
+		}
+		build_trace_args(arg, str);
+		if (++index != zend_hash_num_elements(ht)) {
+			smart_str_appends(str, ", ");
+		}
+	} ZEND_HASH_FOREACH_END();
 }
 /* }}} */