https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69694
--- Comment #2 from bloerwald at googlemail dot com --- (In reply to Patrick Palka from comment #1) > g++ 4.9 compiles this successfully, g++ 5.1 doesn't, neither does trunk. The original testcase as well as the code it was reduced from failed on 4.9.2 as well. Is this still the same issue?