Gentoo's Bugzilla –
Attachment 445924 Details for
Bug 593940dev-libs/xqilla-2.2.4 : /.../vector.tcc:176:37: error: no match for ‘operator!=’ (operand types are ‘std::_Vector_base<ASTNode*, XQillaAllocator<ASTNode*> >::_Tp_alloc_type {aka XQillaAllocator<ASTNode*>}’ and ‘const _Tp_alloc_type {aka const XQ