* tree-dump.c (dump_enable_all): Remove prototype; do not accept
letter argument.
(dump_files): Update.
(enable_rtl_dump_file): Do not accept letter argument.
* tree-pass.h (dump_file_info): Remove letter argument.
* toplev.c (decode_d_option): Update -da handling.
* toplev.h (enable_rtl_dump_file): Update prototype.
* passes.c (register_one_dump_file): Do not accept IPA argument; work
it out based on pass type.
(register_dump_files_1): Likewise.
(init_optimization_passes): Update register_one_dump_file calls.
(execute_one_pass): Sanity check that IPA passes are called at IPA level
and RTL passes at RTL level.
(execute_pass_list): IPA pass can not be after or subpass of
GIMPLE/RTL pass.
(execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
disallov RTL subpasses of IPA subpasses.
From-SVN: r133930
