Re: git: 51e8e8b0f369 - main - Merge commit e24f90190c77 from llvm git (by Brad Smith):

From: Dimitry Andric <dim_at_FreeBSD.org>
Date: Fri, 31 Oct 2025 15:48:04 UTC
On 31 Oct 2025, at 14:48, Jose Luis Duran <jlduran@FreeBSD.org> wrote:
> 
> On Wed, Oct 29, 2025 at 3:50 PM Dimitry Andric <dim@freebsd.org> wrote:
>> 
>> The branch main has been updated by dim:
>> 
>> URL: https://cgit.FreeBSD.org/src/commit/?id=51e8e8b0f36933814b1be08913857727876aece5
>> 
>> commit 51e8e8b0f36933814b1be08913857727876aece5
>> Author:     Dimitry Andric <dim@FreeBSD.org>
>> AuthorDate: 2025-10-29 18:49:54 +0000
>> Commit:     Dimitry Andric <dim@FreeBSD.org>
>> CommitDate: 2025-10-29 18:49:54 +0000
>> 
>>    Merge commit e24f90190c77 from llvm git (by Brad Smith):
>> 
>>        [Driver] Enable outline atomics for FreeBSD/aarch64 (#156089)
>> 
>>    The compiler_rt helper functions have been built since 12.4, 13.1, 14
>>    and anything newer.
>> 
>>    MFC after:      3 days
>> ---
>> contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.h | 5 +++++
>> 1 file changed, 5 insertions(+)
>> 
>> diff --git a/contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.h b/contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.h
>> index 7ab63905ed4f..7d090ba682b3 100644
>> --- a/contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.h
>> +++ b/contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.h
>> @@ -78,6 +78,11 @@ public:
>>   void AddHIPIncludeArgs(const llvm::opt::ArgList &DriverArgs,
>>                          llvm::opt::ArgStringList &CC1Args) const override;
>> 
>> +  bool IsAArch64OutlineAtomicsDefault(
>> +      const llvm::opt::ArgList &Args) const override {
>> +    return true;
>> +  }
>> +
>>   UnwindTableLevel
>>   getDefaultUnwindTableLevel(const llvm::opt::ArgList &Args) const override;
>>   bool isPIEDefault(const llvm::opt::ArgList &Args) const override;
> 
> I'm sure you're probably aware by now, but aarch64 builds are failing
> after this commit:
> 
> https://ci.freebsd.org/job/FreeBSD-main-aarch64-build/33100/

It's weird, but I cannot reproduce it. For me, both world and kernel build fine.

Does anybody have any particular settings that can be used to reproduce this on a fresh 16-CURRENT or 15-STABLE box?

-Dimitry