https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61946
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2014-07-29 Known to work| |4.2.4 Assignee|unassigned at gcc dot gnu.org |redi at gcc dot gnu.org Summary|rope construction, passing |[4.8/4.9/4.10 Regression] |allocator referenct without |rope construction, passing |const |allocator referenct without | |const Ever confirmed|0 |1 --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- The correct fix is to use _M_get_allocator() to pass a non-const reference: --- a/libstdc++-v3/include/ext/rope +++ b/libstdc++-v3/include/ext/rope @@ -1876,8 +1876,9 @@ protected: const allocator_type& __a = allocator_type()) : _Base(__a) { - this->_M_tree_ptr = (0 == __len) ? - 0 : _S_new_RopeFunction(__fn, __len, __delete_fn, __a); + this->_M_tree_ptr = (0 == __len) + ? 0 + : _S_new_RopeFunction(__fn, __len, __delete_fn, _M_get_allocator()); } rope(const rope& __x, const allocator_type& __a = allocator_type())