[Bug c++/61639] GCC 4.7.4 can't longer compile clang

[alp at rsu dot ru]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61639

--- Comment #1 from Alexander Pyhalov <alp at rsu dot ru> ---
LLVM developers confirmed the issue exists on OSX whith gcc 4.7.4 (but not
4.8/4.9).