freebsd build error (18)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 0192eda105b3 Bump __FreeBSD_version for llvm 18.1.3 merge
git tree: freebsd-src
console output: https://syzkaller.appspot.com/x/log.txt?x=106f6155180000
dashboard link: https://syzkaller.appspot.com/bug?extid=c613f4c6ff6bd462f4f7

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c613f4...@syzkaller.appspotmail.com

cc: error: clang frontend command failed with exit code 134 (use -v to see invocation)

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