1 files changed, 10 insertions, 1 deletions
diff --git a/lib/open.t b/lib/open.t
index 50292929c8..905308dabb 100644
--- a/lib/open.t
+++ b/lib/open.t
@@ -7,7 +7,7 @@ BEGIN {
 	require Config; import Config;
 }
 
-use Test::More tests => 16;
+use Test::More tests => 17;
 
 # open::import expects 'open' as its first argument, but it clashes with open()
 sub import {
@@ -171,6 +171,15 @@ EOE
        "checking syswrite() output on :utf8 streams by reading it back in");
 }
 
+{
+    use open IN => ':non-existent';
+    eval {
+	require Anything;
+    };
+    like($@, qr/Recursive call/i,
+	 "test for an endless loop in PerlIO_find_layer");
+}
+
 END {
     1 while unlink "utf8";
     1 while unlink "a";