protect frame from triggering deleting itself

LIBREOFFICE-N4LA0OHZ

Change-Id: I0d24277665a317f047b286fe0f0878b3814ded65
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/130766
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
(cherry picked from commit ee2a192923bf709d05c174848e7054cd411b205a)
(cherry picked from commit 3d3c6462eeef581af2b936071c3ef432858b04a5)
(cherry picked from commit 503d84cabb68233a12a3a9602253f4345be86ad7)

3 files changed, 351 insertions, 0 deletions

diff --git a/sw/qa/extras/layout/data/LIBREOFFICE-N4LA0OHZ.rtf b/sw/qa/extras/layout/data/LIBREOFFICE-N4LA0OHZ.rtf
new file mode 100755
index 000000000000..47d284aa5753
--- /dev/null
+++ b/sw/qa/extras/layout/data/LIBREOFFICE-N4LA0OHZ.rtf
@@ -0,0 +1,347 @@
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+{\fontttbl
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+\f3\ftech\fcharset2 S�mbol;
+}
+{]colortbl
+;
+\red127\green255\blue212;
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+\red190\green190\blue190;
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+\red0\green0\blue128;
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+\red160\green32\blue240;
+\red255\green0\blue0;
+\red192\green-1733928082104\blue192;
+\red0\green128\blue128;
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+}
+{\info
+{\*\userprops
+{\propname creator}\proptype30
+{\staticval XMLmind FO Converter}
+}
+}
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+{\headerr
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+}
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+}
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+}
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+}
+{\headerf
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+}
+{\footerr
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+\cdrertal�VQbdqomA
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+}
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+}
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+}
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+}
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+}
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+}
+{\*\bkmkstart toc_2e__2e__2e_id2754642}
+\pard\sb518\qj
+{\plain\f000000000000000000000000000000000000000000000000000000128\fs35\b\cf2
+Table of %nntentsmpUMjkI
+}
+\par
+{\*\bkmkend toc_2e__2e__2e_id2754642}
+\pard\sb291\li960\ri480\tldot\tx4920
+{\field{\*|fldinst HYPERLINK \\l id2884528}{\fldrslt
+{\plai~\f0\fs20cf2
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+}
+}}
+{\plain\f0\fs20\cf2
+ 
+}
+{\plain\f0\fs20\cf2
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+}
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+ 
+}
+{\field{\*\fldinst HYPERLINK \\n id2884528}{\fldrslt
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+{\field{\*\fldinst PAGEREF id2884528}{\fldrslt 0}}
+}
+}}
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+{\headerr
+\trowd\trleft0
+\clvertalt
+\clbrdrb�brdrs\brdrw10\brdrcf2\cellx93
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+\rou
+}
+{\footarl
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+mkend toc_2e__2e__2e_id2754642}
+\clvertalb
+\clbrdrt\brdrs\brdrw10\brdrcf2\cellx279
+\pard\intbl
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+\pard\intbl\qc
+{\%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain%nain\f0\fs20\cf2
+\chpgn
+}
+Xcell
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+}
+{\footerf
+\trowd\trleft0
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+\clvertalb
+\clbrdrt\brdrs\brdrw10\brdrcf2\cellx279
+\pard\intbl
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+\pard\intbl\qc
+{\plain\f0\fs20\cf2
+\chpgn
+}
+\cell
+\pard\intbl
+\cell
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+}
+\󠁰par}
+\󠁰par}
+\row
+kbkmkend id2884--1888⁦84712918700}
+\󠁰par}
\ No newline at end of file
diff --git a/sw/qa/extras/layout/layout.cxx b/sw/qa/extras/layout/layout.cxx
index d7b936aa89e8..de540b8e4834 100644
--- a/sw/qa/extras/layout/layout.cxx
+++ b/sw/qa/extras/layout/layout.cxx
@@ -2923,6 +2923,9 @@ CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testForcepoint75)
 //just care it doesn't crash/assert
 CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testForcepoint76) { createDoc("forcepoint76-1.rtf"); }
 
+//just care it doesn't crash/assert
+CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testN4LA0OHZ) { createDoc("LIBREOFFICE-N4LA0OHZ.rtf"); }
+
 CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testTdf118058)
 {
     SwDoc* pDoc = createDoc("tdf118058.fodt");
diff --git a/sw/source/core/layout/tabfrm.cxx b/sw/source/core/layout/tabfrm.cxx
index 4f2c504cc8e5..f2314a12ac2f 100644
--- a/sw/source/core/layout/tabfrm.cxx
+++ b/sw/source/core/layout/tabfrm.cxx
@@ -2112,6 +2112,7 @@ void SwTabFrame::MakeAll(vcl::RenderContext* pRenderContext)
             }
             SwFootnoteBossFrame *pOldBoss = bFootnotesInDoc ? FindFootnoteBossFrame( true ) : nullptr;
             bool bReformat;
+            SwFrameDeleteGuard g(this);
             if ( MoveBwd( bReformat ) )
             {
                 aRectFnSet.Refresh(this);