[Libreoffice-bugs] [Bug 132935] New: Submenu crashes for gtk3 only

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=132935

            Bug ID: 132935
           Summary: Submenu crashes for gtk3 only
           Product: LibreOffice
           Version: 7.0.0.0.alpha0+ Master
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: UI
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: raykowj at gmail.com

Created attachment 160632
  --> https://bugs.documentfoundation.org/attachment.cgi?id=160632&action=edit
video demo of crash

Stumbled across this when adding a submenu to the Navigator content view to
provide UI for outline content folding. Outline content folding is WIP. To
repro this bug apply the patch found here: 
https://gerrit.libreoffice.org/c/core/+/93908

Steps to repro:
1) apply the formentioned patch
2) open a Writer file with an outline structure or create one by adding one or
more Headings to the document
3) open the Navigator (Menu > View > Sidebar then select Navigator tab in the
tab bar or F5 for floating version)
4) left mouse click on the Headings entry in the navigation content view to
select it
5) right mouse click on the Headings entry to show the context menu
6) select the Outline Content submenu
7) either select an entry in the submenu or click away from it

Result: crash

Version: 7.0.0.0.alpha0+
Build ID: 02a186a59aecbad73ecc3cbc004505ab0fbff5bb
CPU threads: 4; OS: Linux 5.4; UI render: default; VCL: gtk3; 
Locale: en-US (en_US.UTF-8); UI-Language: en-US
Calc: threaded

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