diff --git a/libcxx/utils/libcxx/test/config.py b/libcxx/utils/libcxx/test/config.py
--- a/libcxx/utils/libcxx/test/config.py
+++ b/libcxx/utils/libcxx/test/config.py
@@ -915,6 +915,7 @@
         self.cxx.addWarningFlagIfSupported('-Wshadow')
         self.cxx.addWarningFlagIfSupported('-Wno-unused-command-line-argument')
         self.cxx.addWarningFlagIfSupported('-Wno-attributes')
+        self.cxx.addWarningFlagIfSupported('-Wno-constant-evaluated')
         self.cxx.addWarningFlagIfSupported('-Wno-pessimizing-move')
         self.cxx.addWarningFlagIfSupported('-Wno-c++11-extensions')
         self.cxx.addWarningFlagIfSupported('-Wno-user-defined-literals')