diff --git a/config.tests/common/c++1z/c++1z.cpp b/config.tests/common/c++1z/c++1z.cpp
index a30196f57d..63c6fb5b8a 100644
--- a/config.tests/common/c++1z/c++1z.cpp
+++ b/config.tests/common/c++1z/c++1z.cpp
@@ -43,4 +43,6 @@
 #  error "__cplusplus must be > 201402L (the value for C++14)"
 #endif
 
+#include <map> // https://bugs.llvm.org//show_bug.cgi?id=33117
+
 int main(int, char **) { return 0; }