package gcc-6 (not installed) failed to install/upgrade: trying to overwrite '/usr/bin/gcc-ranlib-6', which is also in package gccgo-6 6.0.1-0ubuntu1

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ProblemType: Package
DistroRelease: Ubuntu 16.10
Package: gcc-6 (not installed)
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
Date: Wed May 4 10:34:47 2016
DuplicateSignature:
 Unpacking cpp-6 (6.1.1-0ubuntu12) ...
 dpkg: error processing archive /var/cache/apt/archives/cpp-6_6.1.1-0ubuntu12_amd64.deb (--unpack):
  trying to overwrite '/usr/bin/cpp-6', which is also in package gccgo-6 6.0.1-0ubuntu1
ErrorMessage: trying to overwrite '/usr/bin/gcc-ranlib-6', which is also in package gccgo-6 6.0.1-0ubuntu1
InstallationDate: Installed on 2014-02-24 (799 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu2
 apt 1.2.10ubuntu1
SourcePackage: gcc-6
Title: package gcc-6 (not installed) failed to install/upgrade: trying to overwrite '/usr/bin/gcc-ranlib-6', which is also in package gccgo-6 6.0.1-0ubuntu1
UpgradeStatus: No upgrade log present (probably fresh install)