[arm64:for-next/core 5/12] ubsan.c:undefined reference to `__ashlti3'

[Catalin Marinas]

On Thu, Jun 23, 2016 at 02:41:08AM +0800, kbuild test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux for-next/core
> head:   d770b5a04790a4ec1c0864621eef95f5afe773cf
> commit: 6b14c517a2a866c8407e9864c1cd3fcc6fed55ab [5/12] arm64: Add support ARCH_SUPPORTS_INT128
> config: arm64-allyesconfig (attached as .config)
> compiler: aarch64-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205
> reproduce:
>         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         git checkout 6b14c517a2a866c8407e9864c1cd3fcc6fed55ab
>         # save the attached .config to linux build tree
>         make.cross ARCH=arm64 
> 
> Note: the arm64/for-next/core HEAD d770b5a04790a4ec1c0864621eef95f5afe773cf builds fine.
>       It only hurts bisectibility.
> 
> All errors (new ones prefixed by >>):
> 
>    lib/built-in.o: In function `get_signed_val':
> >> ubsan.c:(.text.unlikely+0x1568): undefined reference to `__ashlti3'
> >> ubsan.c:(.text.unlikely+0x1570): undefined reference to `__ashrti3'

Thanks. I have reverted the offending commit in the arm64 for-next/core
branch.

-- 
Catalin