Executing ClassDB.class_get_property(null,"") crashes Godot

[qarmin]

Godot version:
3.3.rc.custom_build. ed1f5c2

OS
Ubuntu 20.04 - Ubuntu 3.36 X11

Issue description:
Executing

ClassDB.class_get_property(null,"")

or

ClassDB.class_set_property(null,"","")

crashes with backtrace

[1] /lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f23c16d2210] (??:0)
[2] Object::get_class_name() const (/mnt/Miecz/godot3.2/./core/object.h:658)
[3] ClassDB::get_property(Object*, StringName const&, Variant&) (/mnt/Miecz/godot3.2/core/class_db.cpp:1068)
[4] _ClassDB::get_property(Object*, StringName const&) const (/mnt/Miecz/godot3.2/core/bind/core_bind.cpp:2953)
[5] MethodBind2RC<Variant, Object*, StringName const&>::call(Object*, Variant const**, int, Variant::CallError&) (/mnt/Miecz/godot3.2/./core/method_bind.gen.inc:2105 (discriminator 11))
[6] Object::call(StringName const&, Variant const**, int, Variant::CallError&) (/mnt/Miecz/godot3.2/core/object.cpp:919 (discriminator 1))
[7] Variant::call_ptr(StringName const&, Variant const**, int, Variant*, Variant::CallError&) (/mnt/Miecz/godot3.2/core/variant_call.cpp:1149 (discriminator 1))
[8] GDScriptFunction::call(GDScriptInstance*, Variant const**, int, Variant::CallError&, GDScriptFunction::CallState*) (/mnt/Miecz/godot3.2/modules/gdscript/gdscript_function.cpp:1089)
[9] GDScriptInstance::_ml_call_reversed(GDScript*, StringName const&, Variant const**, int) (/mnt/Miecz/godot3.2/modules/gdscript/gdscript.cpp:1239)
[10] GDScriptInstance::call_multilevel_reversed(StringName const&, Variant const**, int) (/mnt/Miecz/godot3.2/modules/gdscript/gdscript.cpp:1248)
[11] Node::_notification(int) (/mnt/Miecz/godot3.2/scene/main/node.cpp:152)
[12] Node::_notificationv(int, bool) (/mnt/Miecz/godot3.2/./scene/main/node.h:46 (discriminator 14))
[13] CanvasItem::_notificationv(int, bool) (/mnt/Miecz/godot3.2/./scene/2d/canvas_item.h:166 (discriminator 3))
[14] Node2D::_notificationv(int, bool) (/mnt/Miecz/godot3.2/./scene/2d/node_2d.h:38 (discriminator 3))
[15] Object::notification(int, bool) (/mnt/Miecz/godot3.2/core/object.cpp:931)
[16] Node::_propagate_ready() (/mnt/Miecz/godot3.2/scene/main/node.cpp:197)
[17] Node::_propagate_ready() (/mnt/Miecz/godot3.2/scene/main/node.cpp:186 (discriminator 2))
[18] Node::_set_tree(SceneTree*) (/mnt/Miecz/godot3.2/scene/main/node.cpp:2626)
[19] SceneTree::init() (/mnt/Miecz/godot3.2/scene/main/scene_tree.cpp:466)
[20] OS_X11::run() (/mnt/Miecz/godot3.2/platform/x11/os_x11.cpp:3635)
[21] /usr/bin/godot(main+0x125) [0x170090b] (/mnt/Miecz/godot3.2/platform/x11/godot_x11.cpp:57)
[22] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f23c16b30b3] (??:0)
[23] /usr/bin/godot(_start+0x2e) [0x170072e] (??:?)