[Bug c++/59548] Abort after copying std::unordered_map in debug mode

[max at duempel dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59548

--- Comment #2 from Max Kellermann <max at duempel dot org> ---
Created attachment 31473
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31473&action=edit
Delete the implicit copy constructor in C++11 mode to detect bugs like this one