An anonymous reader writes "Brooks Davis has announced that the FreeBSD Project has now officially switched to Clang/LLVM as C/C++ compiler. This follows several years of preparation, feeding back improvements to the Clang and LLVM source code bases, and nightly builds of FreeBSD using LLVM over two years. Future snapshots and all major FreeBSD releases will ship compiled with LLVM by default!" Link to Original Source
If it happens once, it's a bug. If it happens twice, it's a feature.
If it happens more than twice, it's a design philosophy.