diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 4fdd2865f..e87fd8c54 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -108,6 +108,7 @@ IF(BUILD_TESTING)
   ADD_TEST_MACRO(PreOrder PreOrder)
   ADD_TEST_MACRO(COnly COnly)
   ADD_TEST_MACRO(CxxOnly CxxOnly)
+  ADD_TEST_MACRO(IPO COnly/COnly)
   ADD_TEST_MACRO(NewlineArgs NewlineArgs)
   ADD_TEST_MACRO(SetLang SetLang)
   ADD_TEST_MACRO(ExternalOBJ ExternalOBJ)
diff --git a/Tests/IPO/CMakeLists.txt b/Tests/IPO/CMakeLists.txt
new file mode 100644
index 000000000..595e4f50d
--- /dev/null
+++ b/Tests/IPO/CMakeLists.txt
@@ -0,0 +1,7 @@
+cmake_minimum_required (VERSION 2.8)
+project(IPO NONE)
+
+SET_PROPERTY(DIRECTORY PROPERTY INTERPROCEDURAL_OPTIMIZATION 1)
+
+add_subdirectory(../COnly COnly)
+add_subdirectory(../CxxOnly CxxOnly)