https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66788
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |trippels at gcc dot gnu.org --- Comment #4 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- reduced test case: template <typename _Tp> class A { void address(_Tp &) const; void address(const _Tp &) const; }; typedef long long cl_ulong __attribute__((aligned(8))); template <typename _Tp, typename _Alloc = A<_Tp>> class B : _Alloc {}; B<cl_ulong> a;