perl blead installs fine - perl-5.16.0 does not

[KlavsKlavsen]

on CentOS 6 lxc instance - output from log is just:

Auto-guessed '5.16.0'
patching Configure
patching ext/Errno/Errno_pm.PL
patching b/Configure
The text leading up to this was:
--------------------------
|diff --git a/Configure b/Configure
|index 15b3da1769..791889a2ab 100755
|--- a/Configure
|+++ b/Configure
--------------------------
No file to patch.  Skipping patch.
1 out of 1 hunk ignored
Died at /home/ledger/perl5/perlbrew/bin/patchperl line 556.
##### Brew Failed #####