gcc/
* cfgexpand.c (expand_used_vars): Strengthen return type from rtx
to rtx_insn *; also for local "var_end_seq".
(maybe_dump_rtl_for_gimple_stmt): Likewise for param "since".
(maybe_cleanup_end_of_block): Likewise for param "last" and local
"insn".
(expand_gimple_cond): Likewise for locals "last2" and "last".
(mark_transaction_restart_calls): Likewise for local "insn".
(expand_gimple_stmt): Likewise for return type and locals "last"
and "insn".
(expand_gimple_tailcall): Likewise for locals "last2" and "last".
(avoid_complex_debug_insns): Likewise for param "insn".
(expand_debug_locations): Likewise for locals "insn", "last",
"prev_insn" and "insn2".
(expand_gimple_basic_block): Likewise for local "last".
(construct_exit_block): Likewise for locals "head", "end",
"orig_end".
(pass_expand::execute): Likewise for locals "var_seq",
"var_ret_seq", "next".