https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119429
--- Comment #16 from Desmond Rhodes <desmond.rhodes at outlook dot com> --- (In reply to Andrew Pinski from comment #10) > Again there is no bug in libstdc++. The bug is you are enabling an > questionable clang option that breaks well defined c++ code. I'm sorry, I've done some introspection, and I agree with you that this is not a bug, and I should have filed a report to Clang/LLVM instead of GCC.