gimplify.c (gimplify_function_tree): For -finstrument-functions use gimple_bind_{,set_}block instead of...

	* gimplify.c (gimplify_function_tree): For -finstrument-functions
	use gimple_bind_{,set_}block instead of gimple_{,set_}block.
	* gimple.h (gimple_bind_set_block): Allow second argument to be NULL.

From-SVN: r140858