One possible fix for the [e39d032577d] problem it to replace the failing

assert() with a testcase() as shown here.

FossilOrigin-Name: eae6dfbe5535f4818b73806b13308b99dedb9f22

manifest

@@ -1,5 +1,5 @@
-C Fix\san\sunnecessarily\sobtuse\suse\sof\sa\sbitmask\sflag.
-D 2014-03-20T12:17:35.051
+C One\spossible\sfix\sfor\sthe\s[e39d032577d]\sproblem\sit\sto\sreplace\sthe\sfailing\nassert()\swith\sa\stestcase()\sas\sshown\shere.
+D 2014-03-20T12:36:39.983
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 2ef13430cd359f7b361bb863504e227b25cc7f81
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -291,7 +291,7 @@ F src/vtab.c 21b932841e51ebd7d075e2d0ad1415dce8d2d5fd
 F src/wal.c 76e7fc6de229bea8b30bb2539110f03a494dc3a8
 F src/wal.h df01efe09c5cb8c8e391ff1715cca294f89668a4
 F src/walker.c 11edb74d587bc87b33ca96a5173e3ec1b8389e45
-F src/where.c e433accd201ca482c761e679f4a2ce2f6a7348e6
+F src/where.c 09246177a77e47f77c781d1822913784bd1536f1
 F src/whereInt.h 921f935af8b684ffb49705610bda7284db1db138
 F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
 F test/aggerror.test a867e273ef9e3d7919f03ef4f0e8c0d2767944f2
@@ -1156,7 +1156,10 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh d1a6de74685f360ab718efda6265994b99bbea01
 F tool/win/sqlite.vsix 030f3eeaf2cb811a3692ab9c14d021a75ce41fff
-P 707ea170b3e26965b7e3982f7554d122d130b9a6
-R 829b1d227d22721b3fefbad8e2ead1b7
+P ca3140813198ab7ce470cf86334e55207f3461f9
+R e8cd78fc073c5419c5cddb44ad2f6bb8
+T *branch * tkt-e39d0325
+T *sym-tkt-e39d0325 *
+T -sym-trunk *
 U drh
-Z fcfbdaafabd38e7e728b08b0509fc847
+Z fb29f94974f12cdc3ad5aeed6e3c8ea2

manifest.uuid

@@ -1 +1 @@
-ca3140813198ab7ce470cf86334e55207f3461f9
+eae6dfbe5535f4818b73806b13308b99dedb9f22

src/where.c

@@ -4019,7 +4019,8 @@ static int whereLoopAddBtreeIndex(
       );
       pNew->wsFlags |= WHERE_COLUMN_EQ;
       if( iCol<0 || (nInMul==0 && pNew->u.btree.nEq==pProbe->nKeyCol-1)){
-        assert( (pNew->wsFlags & WHERE_COLUMN_IN)==0 || iCol<0 );
+        /* Ticket [e39d032577df]: WHERE a=? AND b IN (?) -- a, b indexed */
+        testcase( (pNew->wsFlags & WHERE_COLUMN_IN)!=0 && iCol>=0 );
         if( iCol>=0 && pProbe->onError==OE_None ){
           pNew->wsFlags |= WHERE_UNQ_WANTED;
         }else{