Something needs to change but I'm not certain what.

[Phil Edwards <pedwards at disaster dot jaj dot com>]

My autobuilder pukes on 23_containers/list_modifiers.cc with an error
generated by the concept checkers.  The class 'T' (which by the way is
really useful, thanks Stephen!) has:

  private:
    const int  itsId;
    const bool willThrow;

Trying to instantiate list<T> trips over the Assignable requirement of
[23.1]/3 and Table 64:

   non-static const member `const int T::itsId', can't use default
   assignment operator

Same for willThrow.

Personally, I feel that we should be able to violate certain requirements
in our own testsuite in order to test other requirements, as long as the
two sets of requirements are orthogonal.  So the easiest fix is to force
the concept checks off for this file.  Shall I add the appropriate #undef?


Phil

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