zero-alloc cache (was Re: [v3] Fix PR libstdc++/10276)

[Jerry Quinn]

Carlo Wood writes:
 > Jerry, are you planning to implement the zero-allocation
 > fix before the release of 3.3?  Because if you don't,
 > they I'll have to write a difficult work-around for my
 > project (libcwd), especially for 3.3 :/
 > 
 > Please let me know - I was waiting with further attempts
 > to get things working in the hope that the zero-allocation
 > patch would also go into 3.3.

Benjamin posted the fix he's trying on the mainline.  I'll give it a
spin soon and see how it goes for me.

Jerry Quinn