[libc++] Make sure we always print all available features

Previously, we'd only print the features added through the new config,
however printing all the features is important for debugging purposes.

diff --git a/libcxx/utils/libcxx/test/config.py b/libcxx/utils/libcxx/test/config.py
index d54ee8f..82b696f 100644 (file)
--- a/libcxx/utils/libcxx/test/config.py
+++ b/libcxx/utils/libcxx/test/config.py
@@ -148,6 +148,8 @@ class Configuration(object):
             self.lit_config
         )
 
+        self.lit_config.note("All available features: {}".format(self.config.available_features))
+
     def print_config_info(self):
         if self.cxx.use_modules:
             self.lit_config.note('Using modules flags: %s' %