1 files changed, 6 insertions, 0 deletions
diff --git a/t/uni/fold.t b/t/uni/fold.t
index 91356bbe18..6c06a2fdc2 100644
--- a/t/uni/fold.t
+++ b/t/uni/fold.t
@@ -444,6 +444,12 @@ foreach my $test_ref (@CF) {
     }
 }
 
+{
+    use feature qw( fc );
+    use locale;
+    is(fc("\x{1E9E}"), fc("\x{17F}\x{17F}"), 'fc("\x{1E9E}") eq fc("\x{17F}\x{17F}")');
+}
+
 my $num_tests = curr_test() - 1;
 
 plan($num_tests);