generalized lvalues

[Joe Buck]

On Thu, Nov 18, 2004 at 04:14:21PM -0800, Ziemowit Laski wrote:
> Of course, since we are discussing a language extension, _we_ get to 
> decide how it interacts with C++ overloading.
> For the same reason, Matt's assertion that the feature "breaks valid 
> C++ programs" is inherently contradictory,
> since programs containing it cannot be valid. :-)

You just completely ignored what I wrote.  Go back and read it again.
Cast-as-lvalue breaks valid C++ programs.  Period.  It breaks programs
that never assign to a cast.