PR tree-optimization/45633
	* tree-cfg.c (verify_gimple_assign_binary): Allow
	MINUS_EXPR with lhs and rhs1 pointer vector and
	rhs2 sizetype vector.
	* expr.c (expand_expr_real_2) <case PLUS_EXPR>: For pointer
	or vector pointer use TER to optimize pointer subtraction.

	* gcc.dg/vect/pr45633.c: New test.

From-SVN: r164312