Automated report: NetBSD-current/amd64 build failure

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

This is an automatically generated notice of a NetBSD-current/amd64
build failure.

The failure occurred on babylon4.netbsd.org, a NetBSD/amd64 host,
using sources from CVS date 2025.12.02.14.50.51.

An extract from the build.sh output follows:

    	=> /tmp/build/2025.12.02.14.50.51-amd64/tools/bin/nbm4 -I/tmp/build/2025.12.02.14.50.51-amd64/src/tools/elftoolchain/common/sys/../../../../external/bsd/elftoolchain/dist/common/sys -D SRCDIR=/tmp/build/2025.12.02.14.50.51-amd64/src/tools/elftoolchain/common/sys/../../../../external/bsd/elftoolchain/dist/common/sys   elfdefinitions.m4 > elfdefinitions.h
    *** [elfdefinitions.h] Error code 139
    nbmake[7]: stopped making "dependall" in /tmp/build/2025.12.02.14.50.51-amd64/src/tools/elftoolchain/common/sys
    nbmake[7]: 1 error
    nbmake[7]: stopped making "dependall" in /tmp/build/2025.12.02.14.50.51-amd64/src/tools/elftoolchain/common/sys
    nbmake[6]: stopped making "dependall" in /tmp/build/2025.12.02.14.50.51-amd64/src/tools/elftoolchain/common
    nbmake[5]: stopped making "dependall-elftoolchain/common" in /tmp/build/2025.12.02.14.50.51-amd64/src/tools
    nbmake[4]: stopped making "build_install" in /tmp/build/2025.12.02.14.50.51-amd64/src/tools
    nbmake[3]: stopped making "do-tools" in /tmp/build/2025.12.02.14.50.51-amd64/src
    nbmake[2]: stopped making "build" in /tmp/build/2025.12.02.14.50.51-amd64/src
    nbmake[1]: stopped making "distribution" in /tmp/build/2025.12.02.14.50.51-amd64/src
    nbmake: stopped making "release" in /tmp/build/2025.12.02.14.50.51-amd64/src
    ERROR: Failed to make release

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

    2025.12.02.14.50.51 thorpej src/sys/lib/libkern/Makefile.inc 1.51

Logs can be found at:

    http://releng.NetBSD.org/b5reports/amd64/commits-2025.12.html#2025.12.02.14.50.51