Changelog for llvm4.0-libs-4.0.1-4.fc27.i686.rpm :

* Tue Mar 20 2018 Tom Stellard - 4.0.1-4- Backport r296811, r297001, and r327651 from trunk. rhbz#1554349
* Fri Jan 12 2018 Tom Stellard - 4.0.1-3- Backport r315279 to fix an issue with rust
* Tue Nov 21 2017 Tom Stellard - 4.0.1-2- Backport r318289 to fix a debuginfo issue with rust.
* Fri Apr 21 2017 Tom Stellard - 4.0.1-1- 4.0.1 Release.