Index: libcxx/test/std/input.output/filesystems/fs.enum/enum.copy_options.pass.cpp
===================================================================
--- libcxx/test/std/input.output/filesystems/fs.enum/enum.copy_options.pass.cpp
+++ libcxx/test/std/input.output/filesystems/fs.enum/enum.copy_options.pass.cpp
@@ -35,6 +35,7 @@
   typedef check_bitmask_type<E, E::skip_existing, E::update_existing> BitmaskTester;
   assert(BitmaskTester::check());
 
+#ifdef _LIBCPP_VERSION
   static_assert(
           E::none == ME(0),
         "Expected enumeration values do not match");
@@ -59,6 +60,7 @@
           E::create_symlinks     == ME(128) &&
           E::create_hard_links   == ME(256),
         "Expected enumeration values do not match");
+#endif
 
   return 0;
 }
Index: libcxx/test/std/input.output/filesystems/fs.enum/enum.file_type.pass.cpp
===================================================================
--- libcxx/test/std/input.output/filesystems/fs.enum/enum.file_type.pass.cpp
+++ libcxx/test/std/input.output/filesystems/fs.enum/enum.file_type.pass.cpp
@@ -31,7 +31,7 @@
 
   LIBCPP_ONLY(static_assert(std::is_same<UT, signed char>::value, "")); // Implementation detail
 
-  static_assert(
+  LIBCPP_ONLY(static_assert(
           E::none == ME(0) &&
           E::not_found == ME(-1) &&
           E::regular == ME(1) &&
@@ -42,7 +42,7 @@
           E::fifo == ME(6) &&
           E::socket == ME(7) &&
           E::unknown == ME(8),
-        "Expected enumeration values do not match");
+        "Expected enumeration values do not match"));
 
   return 0;
 }
Index: libcxx/test/std/input.output/filesystems/fs.enum/enum.path.format.pass.cpp
===================================================================
--- libcxx/test/std/input.output/filesystems/fs.enum/enum.path.format.pass.cpp
+++ libcxx/test/std/input.output/filesystems/fs.enum/enum.path.format.pass.cpp
@@ -25,7 +25,7 @@
 
   // Check that E is a scoped enum by checking for conversions.
   typedef std::underlying_type<E>::type UT;
-  static_assert(!std::is_convertible<E, UT>::value, "");
+  LIBCPP_ONLY(static_assert(!std::is_convertible<E, UT>::value, ""));
 
   LIBCPP_ONLY(static_assert(std::is_same<UT, unsigned char>::value, "")); // Implementation detail