Index: src/expr.c
==================================================================
--- src/expr.c
+++ src/expr.c
@@ -90,11 +90,11 @@
 ** there is no default collation type, return 0.
 */
 CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr){
   CollSeq *pColl = 0;
   Expr *p = pExpr;
-  while( ALWAYS(p) ){
+  while( p ){
     int op;
     pColl = p->pColl;
     if( pColl ) break;
     op = p->op;
     if( p->pTab!=0 && (
@@ -3249,11 +3249,11 @@
     case TK_BETWEEN: {
       testcase( jumpIfNull==0 );
       exprCodeBetween(pParse, pExpr, dest, 1, jumpIfNull);
       break;
     }
-#ifndef SQLITE_OMIT_SUBQUERY
+#ifndef SQLITE_OMIT_SUBQUERY
     case TK_IN: {
       int destIfFalse = sqlite3VdbeMakeLabel(v);
       int destIfNull = jumpIfNull ? dest : destIfFalse;
       sqlite3ExprCodeIN(pParse, pExpr, destIfFalse, destIfNull);
       sqlite3VdbeAddOp2(v, OP_Goto, 0, dest);
@@ -3392,11 +3392,11 @@
     case TK_BETWEEN: {
       testcase( jumpIfNull==0 );
       exprCodeBetween(pParse, pExpr, dest, 0, jumpIfNull);
       break;
     }
-#ifndef SQLITE_OMIT_SUBQUERY
+#ifndef SQLITE_OMIT_SUBQUERY
     case TK_IN: {
       if( jumpIfNull ){
         sqlite3ExprCodeIN(pParse, pExpr, dest, dest);
       }else{
         int destIfNull = sqlite3VdbeMakeLabel(v);

Index: src/where.c
==================================================================
--- src/where.c
+++ src/where.c
@@ -1880,11 +1880,12 @@
       if( (idxCols & cMask)==0 ){
         Expr *pX = pTerm->pExpr;
         idxCols |= cMask;
         pIdx->aiColumn[n] = pTerm->u.leftColumn;
         pColl = sqlite3BinaryCompareCollSeq(pParse, pX->pLeft, pX->pRight);
-        pIdx->azColl[n] = pColl->zName;
+        assert( pColl!=0 || pParse->nErr>0 );
+        pIdx->azColl[n] = pColl ? pColl->zName : "BINARY";
         n++;
       }
     }
   }
   assert( (u32)n==pLevel->plan.nEq );