Changelog for ghc-extensible-exceptions-0.1.1.4-13.el7.x86_64.rpm :

* Sat Aug 03 2013 Fedora Release Engineering - 0.1.1.4-13- Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
* Mon Jun 10 2013 Fedora Haskell SIG - 0.1.1.4-12- spec file generated by cabal-rpm-0.8.1- this library was dropped from ghc in 7.6