Executing ConvexPolygonShape2D.draw() crashes Godot

[qarmin]

Godot version:
3.2.4.rc.custom_build. 8385a0d

OS
Ubuntu 20.04 - Ubuntu 3.36 X11

Issue description:
Executing

ConvexPolygonShape2D.new().draw(RID(),Color(-4.117026,2.620053,1.619517,1))

crashes with backtrace

ERROR: get: FATAL: Index p_index = 0 is out of bounds (size() = 0).
   At: ./core/cowdata.h:156.
handle_crash: Program crashed with signal 4
Dumping the backtrace. Please include this when reporting the bug on https://github.com/godotengine/godot/issues
[1] /lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f394edd2210] (??:0)
[2] CowData<Vector2>::get(int) const (/mnt/Miecz/godot3.2/./core/cowdata.h:156 (discriminator 7))
[3] Vector<Vector2>::operator[](int) const (/mnt/Miecz/godot3.2/./core/vector.h:85)
[4] ConvexPolygonShape2D::draw(RID const&, Color const&) (/mnt/Miecz/godot3.2/scene/resources/convex_polygon_shape_2d.cpp:88 (discriminator 1))
[5] MethodBind2<RID const&, Color const&>::call(Object*, Variant const**, int, Variant::CallError&) (/mnt/Miecz/godot3.2/./core/method_bind.gen.inc:1523 (discriminator 19))
[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:1148 (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:2640)
[19] SceneTree::init() (/mnt/Miecz/godot3.2/scene/main/scene_tree.cpp:465)
[20] OS_X11::run() (/mnt/Miecz/godot3.2/platform/x11/os_x11.cpp:3622)
[21] /usr/bin/godot(main+0x125) [0x16ff90b] (/mnt/Miecz/godot3.2/platform/x11/godot_x11.cpp:57)
[22] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f394edb30b3] (??:0)
[23] /usr/bin/godot(_start+0x2e) [0x16ff72e] (??:?)

[pouleyKetchoupp]

Fixed in #46665