LLVM 4.0.1 is now available! Download it now, or read the release notes. This release contains bug-fixes for the LLVM 4.0.0 release. This release is API and ABI compatible with 4.0.0. LLVM 4.0.1 would not be possible without the help of our volunteer release team! Thanks to all the release testers: Hans Wennborg, Bernhard Rosenkränzer, Dimitry Andric, Simon Dardis, Sylvestre Ledru, Diana Picus, Vedant Kumar Also, a big thanks to everyone else who helped identify critical bugs, track down bug-fixes, and resolve merge conflicts. If you have questions or comments about this release, please contact the LLVMdev mailing list! LLVM 4.0.0 Release Announcement: http://lists.llvm.org/pipermail/llvm-announce/2017-March/000073.html