backported fix to fold-const.c breaks gcc 4.6

[Jakub Jelinek]

On Mon, Feb 27, 2012 at 10:48:35AM +0100, Uros Bizjak wrote:
> OK, I will revert the patch immediatelly, under assumption that your
> mail grants RM approval for 4.6 branch.

Yes, the reversion is fine.

	Jakub