PR rtl-optimization/39871
	* reload1.c (init_eliminable_invariants): For flag_pic, disable
	equivalences only for constants that aren't LEGITIMATE_PIC_OPERAND_P.
	(function_invariant_p): Rule out a plus of frame or arg pointer with
	a SYMBOL_REF.
	* ira.c (find_reg_equiv_invariant_const): Likewise.

From-SVN: r160947