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-rw-r--r--pod/perldiag.pod5
1 files changed, 5 insertions, 0 deletions
diff --git a/pod/perldiag.pod b/pod/perldiag.pod
index 1c259eece5..7a3b962451 100644
--- a/pod/perldiag.pod
+++ b/pod/perldiag.pod
@@ -3906,6 +3906,11 @@ which is why it's currently left out of your copy.
believes it found an infinite loop in the C<@ISA> hierarchy. This is a
crude check that bails out after 100 levels of C<@ISA> depth.
+=item refcnt: fd %d%s
+
+(P) Perl's I/O implementation failed an internal consistency check. If
+you see this message, something is very wrong.
+
=item Reference found where even-sized list expected
(W misc) You gave a single reference where Perl was expecting a list