Index: ext/fts3/fts3.c
==================================================================
--- ext/fts3/fts3.c
+++ ext/fts3/fts3.c
@@ -3964,11 +3964,15 @@
       Fts3PhraseToken *pToken = pTC->pToken;
       rc = sqlite3Fts3DeferToken(pCsr, pToken, pTC->iCol);
       fts3SegReaderCursorFree(pToken->pSegcsr);
       pToken->pSegcsr = 0;
     }else{
-      nLoad4 = nLoad4*4;
+      /* Set nLoad4 to the value of (4^nOther) for the next iteration of the
+      ** for-loop. Except, limit the value to 2^24 to prevent it from 
+      ** overflowing the 32-bit integer it is stored in. */
+      if( ii<12 ) nLoad4 = nLoad4*4;
+
       if( ii==0 || pTC->pPhrase->nToken>1 ){
         /* Either this is the cheapest token in the entire query, or it is
         ** part of a multi-token phrase. Either way, the entire doclist will
         ** (eventually) be loaded into memory. It may as well be now. */
         Fts3PhraseToken *pToken = pTC->pToken;

Index: test/fts3defer.test
==================================================================
--- test/fts3defer.test
+++ test/fts3defer.test
@@ -446,8 +446,36 @@
 "
 
 do_execsql_test 3.3 {
   SELECT count(*) FROM x1 WHERE x1 MATCH '"d e f"'
 } {16}
+
+# At one point the following was causing a floating-point exception.
+#
+do_execsql_test 4.1 {
+  CREATE VIRTUAL TABLE x2 USING FTS4(x);
+  BEGIN;
+  INSERT INTO x2 VALUES('m m m m m m m m m m m m m m m m m m m m m m m m m m');
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 SELECT * FROM x2;
+  INSERT INTO x2 VALUES('a b c d e f g h i j k l m n o p q r s t u v w x y m');
+  COMMIT;
+}
+do_execsql_test 4.2 {
+  SELECT * FROM x2 WHERE x2 MATCH 'a b c d e f g h i j k l m n o p q r s';
+} {{a b c d e f g h i j k l m n o p q r s t u v w x y m}}
 
 
 finish_test