Do not reuse function parameters in subsequent expressions since the

function call might have triggered a text encoding change.
Fix for ticket [2ea2425d34be].

FossilOrigin-Name: f22e388727f0ba0f187cdee51ff8ba17a5d50b8a

test/tkt-2ea2425d34.test

@@ -0,0 +1,31 @@
+# 2009 September 2
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.
+#
+# This file implements tests to verify that ticket [2ea2425d34be] has been
+# fixed.  
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test tkt-2ea24-1.1 {
+  db eval {
+    PRAGMA encoding=UTF16;
+    CREATE TABLE t1(a,b);
+    INSERT INTO t1 VALUES(1,'abc');
+    INSERT INTO t1 VALUES(2,'def');
+    INSERT INTO t1 VALUES(3,'ghi');
+    SELECT a FROM t1 WHERE length(b)<10 AND b<>'def' ORDER BY a;
+  }
+} {1 3}
+
+finish_test