MKLLVM build broken

[Thomas Klausner <wiz%NetBSD.org@localhost>]

build.sh -j 32 -x -V MKDEBUG=yes -V MKDEBUGLIB=yes -V MKLLVM=yes -V NOGCCERROR=yes -m amd64 distribution

with cvs from about an hour ago failed with:

src/external/bsd/compiler_rt/lib/clang/lib/netbsd/safestack-m64/../../../../../../../../sys/external/bsd/compiler_rt/dist/lib/sanitizer_common/sanitizer_platform_limits_netbsd.cc:2182:31: error: 'TIOCRCVFRAME' was not declared in this scope; did you mean 'IOCTL_TIOCRCVFRAME'?
 2182 | unsigned IOCTL_TIOCRCVFRAME = TIOCRCVFRAME;
      |                               ^~~~~~~~~~~~
      |                               IOCTL_TIOCRCVFRAME
src/external/bsd/compiler_rt/lib/clang/lib/netbsd/safestack-m64/../../../../../../../../sys/external/bsd/compiler_rt/dist/lib/sanitizer_common/sanitizer_platform_limits_netbsd.cc:2183:31: error: 'TIOCXMTFRAME' was not declared in this scope; did you mean 'TIOCPTSNAME'?
 2183 | unsigned IOCTL_TIOCXMTFRAME = TIOCXMTFRAME;
      |                               ^~~~~~~~~~~~
      |                               TIOCPTSNAME


 Thomas