PR rtl-optimization/26254

	* loop-invariant.c (seq_insns_valid_p): New function.
	(move_invariant_reg): Only emit new code if it is valid.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111998 138bc75d-0d04-0410-961f-82ee72b054a4