The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2022.12.10.17.40.49 christos src/sys/external/bsd/acpica/conf/files.acpica,v 1.18 2022.12.10.17.40.49 christos src/sys/external/bsd/acpica/dist/common/dmtables.c,v 1.7 2022.12.10.17.40.49 christos src/sys/external/bsd/acpica/dist/common/dmtbdump.c,v 1.15 2022.12.10.17.40.49 christos src/sys/external/bsd/acpica/dist/compiler/aslcompile.c,v 1.22 2022.12.10.17.40.49 christos src/sys/external/bsd/acpica/dist/compiler/aslerror.c,v 1.19 2022.12.10.17.40.49 christos src/sys/external/bsd/acpica/dist/compiler/asloptions.c,v 1.16 2022.12.10.17.40.49 christos src/sys/external/bsd/acpica/dist/compiler/aslpredef.c,v 1.16 2022.12.10.17.40.49 christos src/sys/external/bsd/acpica/dist/compiler/dtcompile.c,v 1.19 2022.12.10.17.40.49 christos src/sys/external/bsd/acpica/dist/compiler/dtutils.c,v 1.21 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/events/evregion.c,v 1.16 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/executer/exconfig.c,v 1.20 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/hardware/hwsleep.c,v 1.15 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/include/acdisasm.h,v 1.26 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/include/acglobal.h,v 1.26 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/include/acpixf.h,v 1.34 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/include/actables.h,v 1.18 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/include/actbl1.h,v 1.21 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/include/actypes.h,v 1.28 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/include/acutils.h,v 1.26 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/tables/tbdata.c,v 1.19 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/tables/tbfadt.c,v 1.19 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/tables/tbutils.c,v 1.21 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/tables/tbxfroot.c,v 1.15 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/tools/acpixtract/acpixtract.c,v 1.16 2022.12.10.17.40.50 christos src/sys/external/bsd/acpica/dist/utilities/utglobal.c,v 1.16 2022.12.10.17.41.05 christos src/external/bsd/acpica/bin/iasl/Makefile,v 1.28 2022.12.10.17.42.36 christos src/doc/3RDPARTY,v 1.1903 2022.12.10.17.42.36 christos src/doc/CHANGES,v 1.2937 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2022.12.html#2022.12.10.17.42.36