crashtesting: fix ~SwIndexReg assert on exporting tdf46441-2.odt to .doc

Change-Id: I770c1f5ed4ebfb216810e30de83eb053606c2f8d

sw/qa/extras/ww8export/ww8export.cxx

@@ -666,6 +666,11 @@ DECLARE_WW8EXPORT_TEST(testMoveRange, "fdo66304-1.odt")
     //the save must survive without asserting
 }
 
+DECLARE_WW8EXPORT_TEST(testClearFramePams, "tdf46441-2.odt")
+{
+    //the save must survive without asserting
+}
+
 DECLARE_WW8EXPORT_TEST(testTdf94386, "tdf94386.odt")
 {
     // check that the first and next page use different page styles

sw/source/filter/ww8/wrtww8.cxx

@@ -3135,6 +3135,8 @@ void MSWordExportBase::ExportDocument( bool bWriteAll )
 
     ExportDocument_Impl();
 
+    m_aFrames.clear();
+
     // park m_pCurPam in a "safe place" now that document is fully exported
     // before toggling redline mode to avoid ~SwIndexReg assert e.g. export
     // ooo103014-1.odt to .doc