Index: libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.permissions/permissions.pass.cpp
===================================================================
--- libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.permissions/permissions.pass.cpp
+++ libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.permissions/permissions.pass.cpp
@@ -38,7 +38,7 @@
     ASSERT_NOT_NOEXCEPT(fs::permissions(p, pr));
     ASSERT_NOT_NOEXCEPT(fs::permissions(p, pr, opts));
     ASSERT_NOEXCEPT(fs::permissions(p, pr, ec));
-    ASSERT_NOT_NOEXCEPT(fs::permissions(p, pr, opts, ec));
+    LIBCPP_ONLY(ASSERT_NOT_NOEXCEPT(fs::permissions(p, pr, opts, ec)));
 }
 
 TEST_CASE(test_error_reporting)