Add a test to ensure that the problem fixed by [a179e41e40] does not recur.

FossilOrigin-Name: 31356f2cae26278660e6bd360ad35e57261d977c

test/mallocL.test

@@ -0,0 +1,43 @@
+# 2014 August 12
+#
+# 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 test script is designed to show that the assert() fix at 
+# [f1cb48f412] really is required.
+# 
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+source $testdir/malloc_common.tcl
+set testprefix mallocL
+
+do_test 1.0 {
+  for {set i 0} {$i < 40} {incr i} { 
+    lappend cols "c$i" 
+    lappend vals $i
+  }
+
+  execsql "CREATE TABLE t1([join $cols ,])"
+  execsql "CREATE INDEX i1 ON t1([join $cols ,])"
+  execsql "INSERT INTO t1 VALUES([join $vals ,])"
+} {}
+
+for {set j 1} {$j < 40} {incr j} {
+  set ::sql "SELECT DISTINCT [join [lrange $cols 0 $j] ,] FROM t1"
+  do_faultsim_test 1.$j -faults oom* -body {
+    execsql $::sql
+  } -test {
+    faultsim_test_result [list 0 [lrange $::vals 0 $::j]]
+  }
+}
+
+
+finish_test
+