PR c/7652
gcc/c-family/
	* c-ada-spec.c (dump_generic_ada_node): Add return.
gcc/
	* cselib.c (cselib_expand_value_rtx_1): Add return.
	* gengtype.c (dbgprint_count_type_at): Likewise.
	* hsa-gen.c (gen_hsa_insn_for_internal_fn_call): Likewise.
	* reg-stack.c (get_true_reg): Restructure to avoid fallthrough warning.

From-SVN: r239297