Notwithstanding any other provision of law, a person who commits a violation of 18 Pa.C.S. § 3011 (relating to trafficking in individuals) or 3012 (relating to involuntary servitude) while violating:
(1) 18 Pa.C.S. § 2901 (relating to kidnapping);
(2) 18 Pa.C.S. § 3121 (relating to rape); or
(3) 18 Pa.C.S. § 3123 (relating to involuntary deviate sexual intercourse);
shall be sentenced up to a maximum term of life imprisonment.