https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66758
--- Comment #4 from Eric Niebler <eric.niebler at gmail dot com> --- Created attachment 35948 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35948&action=edit Preprocessed source, bug the third The previous fix caused the code in attachment #3 to stop working.