[clang] [Clang][AMDGPU] Stop defaulting to `one-as` for all atomic scopes (PR #120095)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-debian-cpp20` running on `clang-debian-cpp20` while building `clang` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/108/builds/7783

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

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: ExecutionEngine/JITLink/LoongArch/ELF_loongarch64_relocations.s' FAILED ********************
Exit Code: 134

Command Output (stderr):
--
RUN: at line 1: rm -rf /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/test/ExecutionEngine/JITLink/LoongArch/Output/ELF_loongarch64_relocations.s.tmp && mkdir -p /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/test/ExecutionEngine/JITLink/LoongArch/Output/ELF_loongarch64_relocations.s.tmp
+ rm -rf /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/test/ExecutionEngine/JITLink/LoongArch/Output/ELF_loongarch64_relocations.s.tmp
+ mkdir -p /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/test/ExecutionEngine/JITLink/LoongArch/Output/ELF_loongarch64_relocations.s.tmp
RUN: at line 2: /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-mc --triple=loongarch64 --filetype=obj -o /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/test/ExecutionEngine/JITLink/LoongArch/Output/ELF_loongarch64_relocations.s.tmp/elf_reloc.o /vol/worker/clang-debian-cpp20/clang-debian-cpp20/llvm-project/llvm/test/ExecutionEngine/JITLink/LoongArch/ELF_loongarch64_relocations.s
+ /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-mc --triple=loongarch64 --filetype=obj -o /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/test/ExecutionEngine/JITLink/LoongArch/Output/ELF_loongarch64_relocations.s.tmp/elf_reloc.o /vol/worker/clang-debian-cpp20/clang-debian-cpp20/llvm-project/llvm/test/ExecutionEngine/JITLink/LoongArch/ELF_loongarch64_relocations.s
RUN: at line 3: /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-jitlink --noexec               --abs external_data=0xdeadbeef               --abs external_func=0xcafef00d               --check /vol/worker/clang-debian-cpp20/clang-debian-cpp20/llvm-project/llvm/test/ExecutionEngine/JITLink/LoongArch/ELF_loongarch64_relocations.s /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/test/ExecutionEngine/JITLink/LoongArch/Output/ELF_loongarch64_relocations.s.tmp/elf_reloc.o
+ /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-jitlink --noexec --abs external_data=0xdeadbeef --abs external_func=0xcafef00d --check /vol/worker/clang-debian-cpp20/clang-debian-cpp20/llvm-project/llvm/test/ExecutionEngine/JITLink/LoongArch/ELF_loongarch64_relocations.s /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/test/ExecutionEngine/JITLink/LoongArch/Output/ELF_loongarch64_relocations.s.tmp/elf_reloc.o
llvm-jitlink: /vol/worker/clang-debian-cpp20/clang-debian-cpp20/llvm-project/llvm/include/llvm/ExecutionEngine/Orc/SymbolStringPool.h:285: llvm::orc::SymbolStringPool::~SymbolStringPool(): Assertion `Pool.empty() && "Dangling references at pool destruction time"' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.	Program arguments: /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-jitlink --noexec --abs external_data=0xdeadbeef --abs external_func=0xcafef00d --check /vol/worker/clang-debian-cpp20/clang-debian-cpp20/llvm-project/llvm/test/ExecutionEngine/JITLink/LoongArch/ELF_loongarch64_relocations.s /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/test/ExecutionEngine/JITLink/LoongArch/Output/ELF_loongarch64_relocations.s.tmp/elf_reloc.o
 #0 0x00005b9d32f11bb8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-jitlink+0xeb5bb8)
 #1 0x00005b9d32f0f6ad llvm::sys::RunSignalHandlers() (/vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-jitlink+0xeb36ad)
 #2 0x00005b9d32f12158 SignalHandler(int) Signals.cpp:0:0
 #3 0x00007e333801d510 (/lib/x86_64-linux-gnu/libc.so.6+0x3c510)
 #4 0x00007e333806b0fc (/lib/x86_64-linux-gnu/libc.so.6+0x8a0fc)
 #5 0x00007e333801d472 raise (/lib/x86_64-linux-gnu/libc.so.6+0x3c472)
 #6 0x00007e33380074b2 abort (/lib/x86_64-linux-gnu/libc.so.6+0x264b2)
 #7 0x00007e33380073d5 (/lib/x86_64-linux-gnu/libc.so.6+0x263d5)
 #8 0x00007e33380163a2 (/lib/x86_64-linux-gnu/libc.so.6+0x353a2)
 #9 0x00005b9d327aaf0c (/vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-jitlink+0x74ef0c)
#10 0x00005b9d32df4b57 llvm::orc::ExecutorProcessControl::~ExecutorProcessControl() (/vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-jitlink+0xd98b57)
#11 0x00005b9d32df629f llvm::orc::SelfExecutorProcessControl::~SelfExecutorProcessControl() (/vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-jitlink+0xd9a29f)
#12 0x00005b9d32d27e88 llvm::orc::ExecutionSession::~ExecutionSession() (/vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-jitlink+0xccbe88)
#13 0x00005b9d32783edd llvm::Session::~Session() (/vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-jitlink+0x727edd)
#14 0x00005b9d3278e664 main (/vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-jitlink+0x732664)
#15 0x00007e33380086ca (/lib/x86_64-linux-gnu/libc.so.6+0x276ca)
#16 0x00007e3338008785 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x27785)
#17 0x00005b9d3277c671 _start (/vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-jitlink+0x720671)
/vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/test/ExecutionEngine/JITLink/LoongArch/Output/ELF_loongarch64_relocations.s.script: line 3: 3099096 Aborted                 /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/bin/llvm-jitlink --noexec --abs external_data=0xdeadbeef --abs external_func=0xcafef00d --check /vol/worker/clang-debian-cpp20/clang-debian-cpp20/llvm-project/llvm/test/ExecutionEngine/JITLink/LoongArch/ELF_loongarch64_relocations.s /vol/worker/clang-debian-cpp20/clang-debian-cpp20/build/test/ExecutionEngine/JITLink/LoongArch/Output/ELF_loongarch64_relocations.s.tmp/elf_reloc.o

--

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


```

</details>

https://github.com/llvm/llvm-project/pull/120095