FYI, on llvmdev we are discussion whether it makes sense to adopt C++'11 language features in llvm and clang. This obviously affects the clang community as well. My latest proposal is here: http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-January/058007.html If you're interested in this, please chime in on the llvmdev thread. -Chris