diff --git a/Zend/zend_portability.h b/Zend/zend_portability.h
index 6801131e41da..cd26aa174712 100644
--- a/Zend/zend_portability.h
+++ b/Zend/zend_portability.h
@@ -314,15 +314,14 @@ char *alloca();
 
 #if (defined(__GNUC__) && ZEND_GCC_VERSION >= 4003) || __has_attribute(cold)
 # define ZEND_COLD __attribute__((cold))
-# ifdef __OPTIMIZE__
-#  define ZEND_OPT_SIZE  __attribute__((optimize("Os")))
-#  define ZEND_OPT_SPEED __attribute__((optimize("Ofast")))
-# else
-#  define ZEND_OPT_SIZE
-#  define ZEND_OPT_SPEED
-# endif
 #else
 # define ZEND_COLD
+#endif
+
+#if ((defined(__GNUC__) && ZEND_GCC_VERSION >= 4003) || __has_attribute(optimize)) && defined(__OPTIMIZE__)
+# define ZEND_OPT_SIZE  __attribute__((optimize("Os")))
+# define ZEND_OPT_SPEED __attribute__((optimize("Ofast")))
+#else
 # define ZEND_OPT_SIZE
 # define ZEND_OPT_SPEED
 #endif
diff --git a/ext/mysqli/mysqli_api.c b/ext/mysqli/mysqli_api.c
index ccb1da6af738..c667712f85fe 100644
--- a/ext/mysqli/mysqli_api.c
+++ b/ext/mysqli/mysqli_api.c
@@ -1488,6 +1488,15 @@ PHP_FUNCTION(mysqli_stmt_data_seek)
 
 	MYSQLI_FETCH_RESOURCE_STMT(stmt, mysql_stmt, MYSQLI_STATUS_VALID);
 
+	if (!stmt->stmt->data || !stmt->stmt->data->result || !stmt->stmt->data->result->stored_data) {
+		if (hasThis()) {
+			zend_throw_error(NULL, "mysqli_stmt::data_seek(): No result set associated with the statement");
+		} else {
+			zend_throw_error(NULL, "mysqli_stmt_data_seek(): No result set associated with the statement");
+		}
+		RETURN_THROWS();
+	}
+
 	mysql_stmt_data_seek(stmt->stmt, offset);
 }
 /* }}} */
diff --git a/ext/mysqli/tests/mysqli_stmt_data_seek.phpt b/ext/mysqli/tests/mysqli_stmt_data_seek.phpt
index a36daebc7951..e4b913229cd0 100644
--- a/ext/mysqli/tests/mysqli_stmt_data_seek.phpt
+++ b/ext/mysqli/tests/mysqli_stmt_data_seek.phpt
@@ -25,6 +25,11 @@ require_once 'skipifconnectfailure.inc';
     if (true !== ($tmp = mysqli_stmt_execute($stmt)))
         printf("[006] Expecting boolean/true, got %s/%s\n", gettype($tmp), $tmp);
 
+    try {
+        mysqli_stmt_data_seek($stmt, 1);
+    } catch (Error $exception) {
+        echo $exception->getMessage() . "\n";
+    }
 
     $id = null;
     if (!mysqli_stmt_bind_result($stmt, $id))
@@ -82,6 +87,7 @@ require_once 'skipifconnectfailure.inc';
 ?>
 --EXPECT--
 mysqli_stmt object is not fully initialized
+mysqli_stmt_data_seek(): No result set associated with the statement
 int(3)
 int(1)
 int(1)
diff --git a/ext/phar/phar.c b/ext/phar/phar.c
index 5829d32e615e..4855517dd627 100644
--- a/ext/phar/phar.c
+++ b/ext/phar/phar.c
@@ -192,7 +192,7 @@ PHP_INI_END()
  */
 void phar_destroy_phar_data(phar_archive_data *phar) /* {{{ */
 {
-	if (phar->alias && phar->alias != phar->fname) {
+	if (phar->alias) {
 		pefree(phar->alias, phar->is_persistent);
 		phar->alias = NULL;
 	}
diff --git a/ext/phar/phar_object.c b/ext/phar/phar_object.c
index 377f35832910..2e309d9a9831 100644
--- a/ext/phar/phar_object.c
+++ b/ext/phar/phar_object.c
@@ -2631,7 +2631,7 @@ PHP_METHOD(Phar, getAlias)
 
 	PHAR_ARCHIVE_OBJECT();
 
-	if (phar_obj->archive->alias && phar_obj->archive->alias != phar_obj->archive->fname) {
+	if (phar_obj->archive->alias) {
 		RETURN_STRINGL(phar_obj->archive->alias, phar_obj->archive->alias_len);
 	}
 }