2006-07-16 Paolo Carlini <pcarlini@suse.de>

	PR libstdc++/28277 (partial: valarray bits)
	* include/std/std_valarray.h (valarray<>::shift(int),
	valarray<>::cshift(int)): Avoid __builtin_alloca with no limit,
	do the work in place.
	* testsuite/26_numerics/valarray/28277.cc: New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@115501 138bc75d-0d04-0410-961f-82ee72b054a4