https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59703
--- Comment #2 from Daniel Krügler <daniel.kruegler at googlemail dot com> --- (In reply to Paolo Carlini from comment #1) > This worksforme with the released 4.9.0. Agreed, I found it working in 4.9.0, 4.9.1, 4.9.2, and in HEAD 5.0.0 20150325 (experimental).