Strange stream behaviour

[Roman Belenov]

I've found that simple copy program

-----------------------------------------
#include <iostream>

int main()
{
	int	ch;
	while( (ch = std::cin.get()) != EOF )
		std::cout.put(ch);
}
-----------------------------------------

duplicates pieces from input, first occurence being about
position 3000 in the input stream.

The program was compiled with gcc 3.0.1 using libstdc++ included in
it. gcc 2.95.3 works fine. I'm working under Windows 2000, gcc 3.0.1
was compiled under cygwin (using gcc 2.95.3 for bootstrapping).

-- 
 							With regards, Roman.