https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80456
Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |11.0 Summary|[8/9/10/11 Regression] |[8/9/10 Regression] calling |calling constexpr member |constexpr member function |function from |from volatile-qualified |volatile-qualified member |member function: error: |function: error: ‘this’ is |‘this’ is not a constant |not a constant expression |expression Known to fail|11.0 | --- Comment #10 from Jason Merrill <jason at gcc dot gnu.org> --- Fixed for 11 so far.