Automated report: NetBSD-current/i386 build failure

[NetBSD Test Fixture <bracket%NetBSD.org@localhost>]

This is an automatically generated notice of a NetBSD-current/i386
build failure.

The failure occurred on babylon5.netbsd.org, a NetBSD/amd64 host,
using sources from CVS date 2023.04.11.02.47.01.

An extract from the build.sh output follows:

    /tmp/build/2023.04.11.02.47.01-i386/src/usr.sbin/cpuctl/arch/i386.c: In function 'identifycpu':
    --- dependall-bin ---
    #   compile  pax/sel_subs.o
    /tmp/build/2023.04.11.02.47.01-i386/tools/bin/i486--netbsdelf-gcc -O2   -fPIE    -std=gnu99    -Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-sign-compare  -Wsystem-headers   -Wno-traditional   -Wa,--fatal-warnings  -Wreturn-type -Wswitch -Wshadow -Wcast-qual -Wwrite-strings -Wextra -Wno-unused-parameter -Wno-sign-compare -Wold-style-definition -Wsign-compare -Wformat=2  -Wno-format-zero-length  -Werror     --sysroot=/tmp/build/2023.04.11.02.47.01-i386/destdir -I/tmp/build/2023.04.11.02.47.01-i386/src/usr.sbin/mtree  -I/tmp/build/2023.04.11.02.47.01-i386/src/sbin/mknod -DHAVE_SYS_MTIO_H -DSUPPORT_RMT  -c    /tmp/build/2023.04.11.02.47.01-i386/src/bin/pax/sel_subs.c -o sel_subs.o.o
    --- dependall-usr.sbin ---
    /tmp/build/2023.04.11.02.47.01-i386/src/usr.sbin/cpuctl/arch/i386.c:2128:52: error: unknown escape sequence: '\B' [-Werror]
     2128 |   print_bits(cpuname, "features6", CPUID_SEF_FLAGS1,
          |                                                    ^
    --- dependall-external ---
    --- dependall-gpl3 ---
    checking build system type... x86_64-unknown-netbsd9.0

The following commits were made between the last successful build and
the failed build:

    2023.04.11.02.42.15 msaitoh src/sys/arch/x86/x86/procfs_machdep.c,v 1.47
    2023.04.11.02.44.06 msaitoh src/sys/arch/x86/include/specialreg.h,v 1.205
    2023.04.11.02.47.01 msaitoh src/sys/dev/tprof/tprof_x86_intel.c,v 1.6

Logs can be found at:

    http://releng.NetBSD.org/b5reports/i386/commits-2023.04.html#2023.04.11.02.47.01