GCC's statement expression extension

[Kaveh R. Ghazi]

 > From: Mark Mitchell <mark@codesourcery.com>
 > 
 > Folks --
 > 
 >   We've now degenerated (largely my fault!) into complete
 > abstraction.  Fun, but useless.
 > 
 >   We all agree that breaking compatibility (source or binary) is bad.
 > I hope we all agree that *sometimes* it is the best path -- if it
 > permits better optimizations, better stability, faster release cycles,
 > etc.  We have to take each of these things case by case; there's no
 > other way.

Mark,

	As I see it, you're only proposing removing stmt exprs from
G++.  The blocking factor is glibc's use of them in headers to
optimize things like the string functions.  I don't have access to my
linux box at the