PR rtl-optimization/68955
	PR rtl-optimization/64557
	* dse.c (record_store, check_mem_read_rtx): Don't call get_addr
	here.  Fix up formatting.
	* alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.

	* gcc.dg/torture/pr68955.c: New test.

From-SVN: r232554