[clang] [llvm] [SPARC] Align i128 to 16 bytes in SPARC datalayouts (PR #106951)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-solaris11-sparcv9` running on `solaris11-sparcv9` while building `clang,llvm` at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/13/builds/2592

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 5 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'LLVM :: BugPoint/metadata.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/bin/bugpoint -load /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/lib/BugpointPasses.so /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/llvm/llvm/test/BugPoint/metadata.ll -output-prefix /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/test/BugPoint/Output/metadata.ll.tmp -bugpoint-crashcalls -silence-passes -disable-namedmd-remove -disable-strip-debuginfo -disable-strip-debug-types > /dev/null
+ /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/bin/bugpoint -load /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/lib/BugpointPasses.so /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/llvm/llvm/test/BugPoint/metadata.ll -output-prefix /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/test/BugPoint/Output/metadata.ll.tmp -bugpoint-crashcalls -silence-passes -disable-namedmd-remove -disable-strip-debuginfo -disable-strip-debug-types
Instruction removal failed.  Sorry. :(  Please report a bug!

--

********************


```

</details>

https://github.com/llvm/llvm-project/pull/106951