diff --git a/test/cpp/realloc/Makefile b/test/cpp/realloc/Makefile
new file mode 100644
index 0000000..f89bbb3
--- /dev/null
+++ b/test/cpp/realloc/Makefile
@@ -0,0 +1,40 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+# This probably should not go into "make check", because it is an experiment,
+# not a test.  Specifically, it is meant to determine how likely realloc is
+# to avoid a copy.  This is poorly documented.
+
+run: realloc_test
+	for it in 1 4 64 ; do \
+		for nb in 1 8 64 512 ; do \
+			for mins in 64 512 ; do \
+				for maxs in 2048 262144 ; do \
+					for db in 8 64 ; do \
+						./realloc_test $$nb $$mins $$maxs $$db $$it \
+					; done \
+				; done \
+			; done \
+		; done \
+	; done \
+	> raw_stats
+
+CFLAGS = -Wall -g -std=c99
+LDLIBS = -ldl
+realloc_test: realloc_test.c