[Bug 52071] New: mshtml:script fails in externalDisp_InvokeEx() on Windows

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=52071

Bug ID: 52071
           Summary: mshtml:script fails in externalDisp_InvokeEx() on
                    Windows
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: mshtml
          Assignee: [e-mail]
          Reporter: [e-mail]

mshtml:script fails in externalDisp_InvokeEx() on all Windows versions from 7
to 10/21H1.

script.c:640: L"/index.html?11:doc_mode: Testing compatibility mode 11"
script.c:624: Test failed: L"/index.html?11:elem_attr: removed ondblclick
string = function ondblclick(event)\n{\nstring\n}"
script.c:3417: Running documentmode.js script in edge;123 mode...
script.c:640: L"/index.html?11:doc_mode: Testing compatibility mode 11"
script.c:624: Test failed: L"/index.html?11:elem_attr: removed ondblclick
string = function ondblclick(event)\n{\nstring\n}"

https://test.winehq.org/data/patterns.html#mshtml:script

A bisect shows that this failure appeared with the commit below:

commit 6b2c20c6a1aa046c5f0317221b52609bcaa11295
Author: Gabriel Ivăncescu 
Date:   Tue Nov 16 19:58:16 2021 +0200

mshtml: Clear the string dprop associated with the builtin attribute when
removing it.

Signed-off-by: Gabriel Ivăncescu 
    Signed-off-by: Jacek Caban 
    Signed-off-by: Alexandre Julliard

Note that this failure was reported by the TestBot:
https://www.winehq.org/pipermail/wine-devel/2021-November/200830.html
https://source.winehq.org/patches/data/219693.testbot