[compiler-rt] [Darwin][CompilerRT] Set compiler ID to 'Clang' for Compiler RT Tests for Apple Clang (PR #121858)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-ppc64le-rhel` running on `ppc64le-clang-rhel-test` while building `compiler-rt` at step 7 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/145/builds/4291

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

```
Step 7 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: ExecutionEngine/JITLink/x86-64/ELF_R_X86_64_32.s' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/bin/llvm-mc -triple=x86_64-unknown-linux -position-independent      -filetype=obj -o /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/test/ExecutionEngine/JITLink/x86-64/Output/ELF_R_X86_64_32.s.tmp.o /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/ELF_R_X86_64_32.s
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/bin/llvm-mc -triple=x86_64-unknown-linux -position-independent -filetype=obj -o /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/test/ExecutionEngine/JITLink/x86-64/Output/ELF_R_X86_64_32.s.tmp.o /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/ELF_R_X86_64_32.s
RUN: at line 3: /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/bin/llvm-jitlink -noexec -abs X=0x12345678 -check=/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/ELF_R_X86_64_32.s /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/test/ExecutionEngine/JITLink/x86-64/Output/ELF_R_X86_64_32.s.tmp.o
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/bin/llvm-jitlink -noexec -abs X=0x12345678 -check=/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/ELF_R_X86_64_32.s /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/test/ExecutionEngine/JITLink/x86-64/Output/ELF_R_X86_64_32.s.tmp.o
RUN: at line 4: not /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/bin/llvm-jitlink -noexec -abs X=0x123456789 /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/test/ExecutionEngine/JITLink/x86-64/Output/ELF_R_X86_64_32.s.tmp.o 2>&1 |    /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/bin/FileCheck -check-prefix=CHECK-ERROR /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/ELF_R_X86_64_32.s
+ not /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/bin/llvm-jitlink -noexec -abs X=0x123456789 /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/test/ExecutionEngine/JITLink/x86-64/Output/ELF_R_X86_64_32.s.tmp.o
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/bin/FileCheck -check-prefix=CHECK-ERROR /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/ELF_R_X86_64_32.s

--

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


```

</details>

https://github.com/llvm/llvm-project/pull/121858