https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71856
--- Comment #4 from Michael Hamann <michael.hamann at kit dot edu> --- Created attachment 38889 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38889&action=edit Test case, try compiling with g++ -D_GLIBCXX_DEBUG testcase.cpp Sorry for not including a test case, I thought from the description and the provided links the problem was clear enough but of course I should have known better. I've attached a minimal test case.
