http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54538
--- Comment #6 from Leonid Volnitsky <leonid at volnitsky dot com> 2012-09-10 14:39:26 UTC --- This code is very alpha and not supposed to be compiled with something not GCC. CLANG probably will be able to compile it when they will fix constexpr bug 11851 ( http://llvm.org/bugs/show_bug.cgi?id=11851). Don't know about ICC or how it supports C++11. Assembler messeges were not from unit test, but from this: scc 1