Better check this with a static assert

...check had been introduced with ac14ac29
"fdo#69450 - IDF_ATTRIB & IDF_CONTENTS must be disjoint" but confuses
compilerplugins/clang/literaltoboolconversion.cxx.

Change-Id: I6577e127a02b9007d098dc6201e48e8dbd5b6a55

sc/inc/global.hxx

@@ -28,6 +28,7 @@
 #include "scdllapi.h"
 #include <rtl/ustring.hxx>
 
+#include <boost/static_assert.hpp>
 #include <boost/unordered_map.hpp>
 #include <vector>
 
@@ -191,6 +192,8 @@ const sal_uInt16 IDF_ATTRIB     = IDF_HARDATTR | IDF_STYLES;
 const sal_uInt16 IDF_CONTENTS   = IDF_VALUE | IDF_DATETIME | IDF_STRING | IDF_NOTE | IDF_FORMULA | IDF_OUTLINE;
 const sal_uInt16 IDF_ALL        = IDF_CONTENTS | IDF_ATTRIB | IDF_OBJECTS;
 
+BOOST_STATIC_ASSERT(!(IDF_ATTRIB & IDF_CONTENTS));
+
 /// Copy flags for auto/series fill functions: do not touch notes and drawing objects.
 const sal_uInt16 IDF_AUTOFILL   = IDF_ALL & ~(IDF_NOTE | IDF_OBJECTS);
 

sc/qa/unit/ucalc.cxx

@@ -834,11 +834,6 @@ void Test::testSelectionFunction()
     m_pDoc->DeleteTab(0);
 }
 
-void Test::testCopyAttributes()
-{
-    CPPUNIT_ASSERT_MESSAGE ("mashed up attributes", !(IDF_ATTRIB & IDF_CONTENTS));
-}
-
 void Test::testCopyToDocument()
 {
     CPPUNIT_ASSERT_MESSAGE ("failed to insert sheet", m_pDoc->InsertTab (0, "src"));

sc/qa/unit/ucalc.hxx

@@ -125,7 +125,6 @@ public:
     void testFuncIFERROR();
     void testFuncGETPIVOTDATA();
     void testFuncGETPIVOTDATALeafAccess();
-    void testCopyAttributes();
 
     void testCopyToDocument();
     /**