Add extra assert() statements trying to catch a Mem object in an inconsistent

state.

FossilOrigin-Name: 4aeb3ae435c78070232fef21a147fde4e1c5cd31

src/vdbeaux.c

@@ -1220,6 +1220,7 @@ static void releaseMemArray(Mem *p, int N){
     }
     for(pEnd=&p[N]; p<pEnd; p++){
       assert( (&p[1])==pEnd || p[0].db==p[1].db );
+      assert( memSanity1(p) );
 
       /* This block is really an inlined version of sqlite3VdbeMemRelease()
       ** that takes advantage of the fact that the memory cell value is