[llvm] r291875 - Revert r291503, "Lift the 10-type limit for AlignedCharArrayUnion", and followings.

[Hans Wennborg via llvm-commits]

Merged to the release branch in r291945 as discussed in the r291503
commit thread.

On Thu, Jan 12, 2017 at 5:13 PM, NAKAMURA Takumi via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Author: chapuni
> Date: Thu Jan 12 19:13:10 2017
> New Revision: 291875
>
> URL: http://llvm.org/viewvc/llvm-project?rev=291875&view=rev
> Log:
> Revert r291503, "Lift the 10-type limit for AlignedCharArrayUnion", and followings.
>
>   r291503, "Lift the 10-type limit for AlignedCharArrayUnion"
>   r291514, "Fix MSVC build of AlignedCharArrayUnion"
>   r291515, "Revert the attempt to optimize the constexpr functions. MSVC does not handle this yet"
>   r291519, "Try once again to fix the MSVC build of AlignedCharArrayUnion"
>
> They has been failing on i686-linux.