diff --git a/ext/dom/tests/gh17201.phpt b/ext/dom/tests/gh17201.phpt
new file mode 100644
index 0000000000000..a7d8ecd827db5
--- /dev/null
+++ b/ext/dom/tests/gh17201.phpt
@@ -0,0 +1,20 @@
+--TEST--
+GH-17201 (Dom\TokenList issues with interned string replace)
+--EXTENSIONS--
+dom
+--INI--
+opcache.protect_memory=1
+--FILE--
+<?php
+$dom = DOM\XMLDocument::createFromString('<root class="AA B C"/>');
+$element = $dom->documentElement;
+$list = $element->classList;
+$list->replace('AA', 'AB'); // Use interned string
+foreach ($list as $entry) {
+    var_dump($entry);
+}
+?>
+--EXPECT--
+string(2) "AB"
+string(1) "B"
+string(1) "C"
diff --git a/ext/dom/token_list.c b/ext/dom/token_list.c
index 15eaeb402017d..fe768e17b2e9c 100644
--- a/ext/dom/token_list.c
+++ b/ext/dom/token_list.c
@@ -583,7 +583,8 @@ PHP_METHOD(Dom_TokenList, replace)
 		/* It already exists, remove token instead. */
 		zend_hash_del_bucket(token_set, bucket);
 	} else {
-		Z_STR(bucket->val) = new_token;
+		/* Need to use ZVAL_STR instead of Z_STR to reset the type flags. */
+		ZVAL_STR(&bucket->val, new_token);
 	}
 
 	/* 5. Run the update steps. */
diff --git a/ext/spl/spl_fixedarray.c b/ext/spl/spl_fixedarray.c
index 5d7949308a303..b919501c0dd25 100644
--- a/ext/spl/spl_fixedarray.c
+++ b/ext/spl/spl_fixedarray.c
@@ -239,10 +239,14 @@ static HashTable* spl_fixedarray_object_get_properties_for(zend_object *obj, zen
 	zval *const elements = intern->array.elements;
 	HashTable *ht = zend_new_array(size);
 
-	for (zend_long i = 0; i < size; i++) {
-		Z_TRY_ADDREF_P(&elements[i]);
-		zend_hash_next_index_insert(ht, &elements[i]);
+	/* The array elements are not *real properties*. */
+	if (purpose != ZEND_PROP_PURPOSE_GET_OBJECT_VARS) {
+		for (zend_long i = 0; i < size; i++) {
+			Z_TRY_ADDREF_P(&elements[i]);
+			zend_hash_next_index_insert(ht, &elements[i]);
+		}
 	}
+
 	if (source_properties && zend_hash_num_elements(source_properties) > 0) {
 		zend_long nkey;
 		zend_string *skey;
diff --git a/ext/spl/tests/gh17198.phpt b/ext/spl/tests/gh17198.phpt
new file mode 100644
index 0000000000000..8bc652d49ef4a
--- /dev/null
+++ b/ext/spl/tests/gh17198.phpt
@@ -0,0 +1,17 @@
+--TEST--
+GH-17198 (SplFixedArray assertion failure with get_object_vars)
+--FILE--
+<?php
+#[AllowDynamicProperties]
+class MySplFixedArray extends SplFixedArray {
+}
+$array = new MySplFixedArray(2);
+$array->{0} = [];
+var_dump(get_object_vars($array));
+?>
+--EXPECT--
+array(1) {
+  [0]=>
+  array(0) {
+  }
+}
diff --git a/sapi/phpdbg/phpdbg_info.c b/sapi/phpdbg/phpdbg_info.c
index d64703755cbe0..b329bdac728bb 100644
--- a/sapi/phpdbg/phpdbg_info.c
+++ b/sapi/phpdbg/phpdbg_info.c
@@ -374,7 +374,11 @@ PHPDBG_INFO(memory) /* {{{ */
 static inline void phpdbg_print_class_name(zend_class_entry *ce) /* {{{ */
 {
 	const char *visibility = ce->type == ZEND_USER_CLASS ? "User" : "Internal";
-	const char *type = (ce->ce_flags & ZEND_ACC_INTERFACE) ? "Interface" : (ce->ce_flags & ZEND_ACC_ABSTRACT) ? "Abstract Class" : "Class";
+	const char *type = (ce->ce_flags & ZEND_ACC_INTERFACE) ? "Interface"
+		: (ce->ce_flags & ZEND_ACC_ABSTRACT) ? "Abstract Class"
+		: (ce->ce_flags & ZEND_ACC_ENUM) ? "Enum"
+		: (ce->ce_flags & ZEND_ACC_TRAIT) ? "Trait"
+		: "Class";
 
 	phpdbg_writeln("%s %s %.*s (%d)", visibility, type, (int) ZSTR_LEN(ce->name), ZSTR_VAL(ce->name), zend_hash_num_elements(&ce->function_table));
 } /* }}} */