ID 249050 - Crash when connecting a Viewer to PositionToPoints in this script

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Problem summary
Crash when connecting a Viewer to PositionToPoints in this script

Customer reported version
nuke.10.0v4

Customer reported platform
unknown (repro'd on OSX)

Steps to reproduce

1)
Launch Nuke10.0v4

2)
Open attached script bug_test.nk  (text below)
 
#! /usr/local/Nuke10.0v4/libnuke-10.0.4.so -nx
version 10.0 v4
define_window_layout_xml {<?xml version="1.0" encoding="UTF-8"?>
<layout version="1.0">
    <window x="65" y="24" w="1855" h="1176" maximized="1" screen="0">
        <splitter orientation="1">
            <split size="40"/>
            <dock id="" hideTitles="1" activePageId="Toolbar.1">
                <page id="Toolbar.1"/>
            </dock>
            <split size="1192" stretch="1"/>
            <splitter orientation="2">
                <split size="674"/>
                <dock id="" activePageId="Viewer.1">
                    <page id="Viewer.1"/>
                </dock>
                <split size="474"/>
                <dock id="" activePageId="DAG.1">
                    <page id="DAG.1"/>
                    <page id="Curve Editor.1"/>
                    <page id="DopeSheet.1"/>
                </dock>
            </splitter>
            <split size="615"/>
            <splitter orientation="2">
                <split size="574"/>
                <dock id="" activePageId="Properties.1">
                    <page id="Properties.1"/>
                </dock>
                <split size="574"/>
                <dock id="" activePageId="uk.co.thefoundry.scripteditor.1">
                    <page id="uk.co.thefoundry.scripteditor.1"/>
                </dock>
            </splitter>
        </splitter>
    </window>
</layout>
}
Root {
 inputs 0
 name bug_test.nk
 format "2048 1556 0 0 2048 1556 1 2K_Super_35(full-ap)"
 proxy_type scale
 proxy_format "1024 778 0 0 1024 778 1 1K_Super_35(full-ap)"
 colorManagement Nuke
}
Viewer {
 inputs 0
 frame 1
 frame_range 1-100
 name Viewer1
 xpos -40
 ypos -10
}
ColorWheel {
 inputs 0
 gamma 0.45
 name ColorWheel1
 xpos 133
 ypos -116
}
set N62d6990 [stack 0]
Blur {
 size 10
 name Blur2
 xpos 133
 ypos -11
 disable true
}
push $N62d6990
PositionToPoints2 {
 inputs 2
 display textured
 render_mode textured
 detail 1
 pointSize 2
 name PositionToPoints2
 xpos 227
 ypos 58
}


3)
connect a Viewer to the PositionToPoints node

Workaround
Unknown.

Reproduced by support
OS 10.10.5
Nuke10.0v4
Nuke10.5v1

Expected behaviour
not crash

Actual behaviour
crash

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