forked from boostorg/container
"/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/bits/stl_iterator.h:1923:5: error: requires clause differs in template redeclaration (...) /usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/bits/stl_iterator.h:1619:14: note: previous template declaration is here"