[Bug 276104] [exp-run] Against llvm-18-update branch on GitHub

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=276104

--- Comment #62 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=f4d93b67611f6f8b19db7bac6b0973b2ef0cfcb6

commit f4d93b67611f6f8b19db7bac6b0973b2ef0cfcb6
Author:     Dimitry Andric <dim@FreeBSD.org>
AuthorDate: 2024-04-07 00:07:38 +0000
Commit:     Dimitry Andric <dim@FreeBSD.org>
CommitDate: 2024-04-07 00:07:38 +0000

    Fix arm64 build after llvm 18.1.3 upgrade

    Apparently clang 18 has become more strict about using floating point
    registers in inline assembly when -mgeneral-regs-only is used. This
    causes sys/arm64/arm64/vfp.c to fail to compile, with "error:
    instruction requires: fp-armv8", and "error: expected readable system
    register".

    To fix it, similar to other files compiled for arm64, disable
    -mgeneral-regs-only for this particular file.

    PR:             276104
    MFC after:      1 month

 sys/conf/files.arm64 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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